Exam 4. Name: Class: Date: Multiple Choice Identify the choice that best completes the statement or answers the question.

Size: px
Start display at page:

Download "Exam 4. Name: Class: Date: Multiple Choice Identify the choice that best completes the statement or answers the question."

Transcription

1 Name: Class: Date: Exam 4 Multiple Choice Identify the choice that best completes the statement or answers the question. 1. Mirages are a result of which physical phenomena a. interference c. reflection b. refraction d. diffraction 2. Which of these is the appropriate name for this lens? a. convex-concave d. plano-convex b. bi-concave e. none of these c. convex 3. This figure shows a lens with an object to the left and 4 rays drawn from this object. The black dots represent the focal point of the lens. Which of the rays is not possible? a. a c. c b. b d. d 1

2 Name: 4. This figure shows a system of lenses with focal lengths f 1 and f 2. The object is 20 cm from the first lens. What is the position of the final image with respect to the second lens? a. 50 cm to the right of lens 2 c. 30 cm to the left of lens 2 b. 20 cm to the right of lens 2 d. 60 cm to the right of lens 2 5. A convex lens forms a real image of an object with a positive object distance. Which of these best describes the magnification? a. M is positive c. not enough information given b. M is negative 2

3 Name: 6. This figure shows what happens to light of different wavelengths when focused by a convex lens. What is this physical phenomena called? a. dispersion c. interference b. chromatic aberration d. spherical aberration 7. A converging lens has a focal length of 30 cm. If an object is at 20 cm, which of these describes the image: a. real and upright c. virtual and inverted b. virtual and upright d. real and inverted 8. A converging lens (convex) has a focal length of 10 cm. An object is at 20 cm. What is the magnification of the image? a. -1 c. 1 b. 0.5 d A diverging or concave lens has a focal length of ±20 cm (is either positive or negative). What is the image distance for an object at 10 cm? a. -7 cm c. -10 cm b. -20 cm d. 20 cm 10. Most cameras have an aperture to block the outer edges of the lens. What is the purpose of this aperture? a. to eliminate chromatic aberration c. to reduce the effects of spherical aberration b. to give the camera a smaller field of view d. to block flying monkeys from coming into your camera 3

4 Name: 11. This figure shows a light wave that is reflected off of a medium with index of refraction n 2. Based on the phase of the two waves, determine which of these statements is true: 12. a. n 1 =n 2 c. n 1 >n 2 b. Not enough information given d. n 1 <n 2 Light of wavelength 550 nm is incident upon a double slit apparatus. The two slits are separated by 5x10-6 m. What is the angular separation between the central maximum and the 2 rd order bright fringe? a. 13 c. 25 b. 16 d. Not enough information given 13. This figure shows an interference pattern created by a double slit apparatus. What difference in path lengths results in the maximum labeled by the arrow? a. 2λ c. 3λ b. 2.5 λ d. 3.5 λ 4

5 Name: 14. These 2 waves are: a. 90 out of phase c. in phase b. 180 out of phase d. 45 out of phase 15. Young s double slit experiment (in 1801) verified which of these a. light is ubiquitous c. light is a particle b. light is both a wave and particle d. light is a wave 16. The Fresnel spot is caused by a. diffraction through a diffraction grating c. diffraction through a single slit b. interference by a double slit d. diffraction around a circular disk 17. Two light sources emit waves of λ= 3 m which are in phase. The two waves from these sources meet at a distant point. Wave 1 traveled 6 m to reach the point, and wave 2 traveled 7 m. When the waves meet, they are a. out of phase, but not by 180 c. in phase b. out of phase by A LASER beam (λ=632 nm) is incident on 2 slits 0.30 mm apart. How far is the first order bright fringe from the central maximum on a screen 5.0 meters from the double-slit apparatus? a meters c meters b. 2.4 meters d meters 5

6 Name: 19. This figure shows two radio antennas, which are separated by 300 m. The antennas are emitting signals (identical in both wavelength and phase) simultaneously. A car is traveling north as shown in the figure. The car is at the second minimum of the interference pattern created by the two signals. What is the wavelength of the light? a. 45 m c nm b. 74 m d. 56 m 20. The diffraction pattern below arises from a single slit. If we would like to sharpen the pattern, i.e., make the central bright spot narrower, what should we do? a. decrease the slit width c. move the screen further away b. increase the wavelength of the light d. increase the slit width 6

7 Name: 21. A grating has 1x10-5 m between its slits and is illuminated with light of wavelength 500 nm. What is the highest order number that can be observed with the grating? a. 20 c. 5 b. 10 d A spectral line occurs at 12 in the first-order spectrum of a diffraction-grating spectrometer. If the grating s slits are separated by 2.0x10-6 m, what is the wavelength of the light? a. 630 nm c. 730 nm b. 420 nm d nm 23. A single slit has a width of 1x10-4 m. Light of wavelength 500 nm is incident upon it and creates a interference pattern on a screen 2 meters away. What is the width of the central maximum on the screen? a m c m b m d m 24. Light of wavelength 1 mm is incident on a single slit of width 0.02 m. What is the angular separation between the central maximum and the 3rd order minimum? a. 7 c. 5 b. 10 d. 9 7

8 Name: 25. Red light of wavelength λ is incident on a single slit of width d, which forms a diffraction pattern on the screen. If you use violet light, which has wavelength λ/3, what must the slit width be in order to keep the diffraction pattern the same? a. 3d c. 2d b. 3d d. d/3 26. Which of these phenomena cause the interference pattern seen in thin films such as oil on water? a. refraction c. change in phase due to reflection b. the light s wavelength changes d. phased array in the oil 27. A diffraction grating has 4000 lines/cm. What is the slit separation? a. 2.5 µm b. 400 nm c. 4.0 µm d. 250 nm 28. The correct answer for this question is A. a. A c. C b. B d. D 8

9 Exam 4 Answer Section MULTIPLE CHOICE 1. ANS: B PTS: 1 2. ANS: A PTS: 1 3. ANS: D PTS: 1 4. ANS: D PTS: 1 5. ANS: B PTS: 1 6. ANS: B PTS: 1 7. ANS: B PTS: 1 8. ANS: A PTS: 1 9. ANS: A PTS: ANS: C PTS: ANS: D PTS: ANS: A PTS: ANS: A PTS: ANS: B PTS: ANS: D PTS: ANS: D PTS: ANS: A PTS: ANS: A PTS: ANS: B PTS: ANS: D PTS: ANS: A PTS: ANS: B PTS: ANS: C PTS: ANS: D PTS: ANS: D PTS: ANS: C PTS: ANS: A PTS: 1 DIF: 2 TOP: 24.8 The Diffraction Grating 28. ANS: A PTS: 1 1

Exam 4--PHYS 102--S15

Exam 4--PHYS 102--S15 Name: Class: Date: Exam 4--PHYS 102--S15 Multiple Choice Identify the choice that best completes the statement or answers the question. 1. A mirror produces an upright image. The object is 2 cm high; the

More information

Exam 4--PHYS 102--S15

Exam 4--PHYS 102--S15 Name: Class: Date: Exam 4--PHYS 02--S5 Multiple Choice Identify the choice that best completes the statement or answers the question.. A mirror produces an upright image. The object is 8 cm high and to

More information

Exam 3--PHYS 2021M-Spring 2009

Exam 3--PHYS 2021M-Spring 2009 Name: Class: Date: Exam 3--PHYS 2021M-Spring 2009 Multiple Choice Identify the choice that best completes the statement or answers the question Each question is worth 2 points 1 Images made by mirrors

More information

Exam 4--PHYS 102--S16

Exam 4--PHYS 102--S16 Class: Date: Exam 4--PHYS 102--S16 Multiple Choice Identify the choice that best completes the statement or answers the question. 1. Consider this 2-lens system. What is the final magnification? a. 1 4

More information

Exam 3--PHYS 102--S10

Exam 3--PHYS 102--S10 ame: Exam 3--PHYS 02--S0 Multiple Choice Identify the choice that best completes the statement or answers the question.. At an intersection of hospital hallways, a convex mirror is mounted high on a wall

More information

Mirrors and Lenses. Images can be formed by reflection from mirrors. Images can be formed by refraction through lenses.

Mirrors and Lenses. Images can be formed by reflection from mirrors. Images can be formed by refraction through lenses. Mirrors and Lenses Images can be formed by reflection from mirrors. Images can be formed by refraction through lenses. Notation for Mirrors and Lenses The object distance is the distance from the object

More information

Physics 1520, Spring 2013 Quiz 2, Form: A

Physics 1520, Spring 2013 Quiz 2, Form: A Physics 1520, Spring 2013 Quiz 2, Form: A Name: Date: Section 1. Exercises 1. The index of refraction of a certain type of glass for red light is 1.52. For violet light, it is 1.54. Which color of light,

More information

Chapter 36: diffraction

Chapter 36: diffraction Chapter 36: diffraction Fresnel and Fraunhofer diffraction Diffraction from a single slit Intensity in the single slit pattern Multiple slits The Diffraction grating X-ray diffraction Circular apertures

More information

Chapter Wave Optics. MockTime.com. Ans: (d)

Chapter Wave Optics. MockTime.com. Ans: (d) Chapter Wave Optics Q1. Which one of the following phenomena is not explained by Huygen s construction of wave front? [1988] (a) Refraction Reflection Diffraction Origin of spectra Q2. Which of the following

More information

Chapter Ray and Wave Optics

Chapter Ray and Wave Optics 109 Chapter Ray and Wave Optics 1. An astronomical telescope has a large aperture to [2002] reduce spherical aberration have high resolution increase span of observation have low dispersion. 2. If two

More information

Physics II. Chapter 23. Spring 2018

Physics II. Chapter 23. Spring 2018 Physics II Chapter 23 Spring 2018 IMPORTANT: Except for multiple-choice questions, you will receive no credit if you show only an answer, even if the answer is correct. Always show in the space on your

More information

Practice Problems for Chapter 25-26

Practice Problems for Chapter 25-26 Practice Problems for Chapter 25-26 1. What are coherent waves? 2. Describe diffraction grating 3. What are interference fringes? 4. What does monochromatic light mean? 5. What does the Rayleigh Criterion

More information

Chapter 17: Wave Optics. What is Light? The Models of Light 1/11/13

Chapter 17: Wave Optics. What is Light? The Models of Light 1/11/13 Chapter 17: Wave Optics Key Terms Wave model Ray model Diffraction Refraction Fringe spacing Diffraction grating Thin-film interference What is Light? Light is the chameleon of the physical world. Under

More information

Lecture 21. Physics 1202: Lecture 21 Today s Agenda

Lecture 21. Physics 1202: Lecture 21 Today s Agenda Physics 1202: Lecture 21 Today s Agenda Announcements: Team problems today Team 14: Gregory Desautels, Benjamin Hallisey, Kyle Mcginnis Team 15: Austin Dion, Nicholas Gandza, Paul Macgillis-Falcon Homework

More information

Phys214 Fall 2004 Midterm Form A

Phys214 Fall 2004 Midterm Form A 1. A clear sheet of polaroid is placed on top of a similar sheet so that their polarizing axes make an angle of 30 with each other. The ratio of the intensity of emerging light to incident unpolarized

More information

Option G 4:Diffraction

Option G 4:Diffraction Name: Date: Option G 4:Diffraction 1. This question is about optical resolution. The two point sources shown in the diagram below (not to scale) emit light of the same frequency. The light is incident

More information

Average: Standard Deviation: Max: 99 Min: 40

Average: Standard Deviation: Max: 99 Min: 40 1 st Midterm Exam Average: 83.1 Standard Deviation: 12.0 Max: 99 Min: 40 Please contact me to fix an appointment, if you took less than 65. Chapter 33 Lenses and Op/cal Instruments Units of Chapter 33

More information

Section A Conceptual and application type questions. 1 Which is more observable diffraction of light or sound? Justify. (1)

Section A Conceptual and application type questions. 1 Which is more observable diffraction of light or sound? Justify. (1) INDIAN SCHOOL MUSCAT Department of Physics Class : XII Physics Worksheet - 6 (2017-2018) Chapter 9 and 10 : Ray Optics and wave Optics Section A Conceptual and application type questions 1 Which is more

More information

Chapter 18 Optical Elements

Chapter 18 Optical Elements Chapter 18 Optical Elements GOALS When you have mastered the content of this chapter, you will be able to achieve the following goals: Definitions Define each of the following terms and use it in an operational

More information

Name. Light Chapter Summary Cont d. Refraction

Name. Light Chapter Summary Cont d. Refraction Page 1 of 17 Physics Week 12(Sem. 2) Name Light Chapter Summary Cont d with a smaller index of refraction to a material with a larger index of refraction, the light refracts towards the normal line. Also,

More information

12:40-2:40 3:00-4:00 PM

12:40-2:40 3:00-4:00 PM Physics 294H l Professor: Joey Huston l email:huston@msu.edu l office: BPS3230 l Homework will be with Mastering Physics (and an average of 1 hand-written problem per week) Help-room hours: 12:40-2:40

More information

PHYS 202 OUTLINE FOR PART III LIGHT & OPTICS

PHYS 202 OUTLINE FOR PART III LIGHT & OPTICS PHYS 202 OUTLINE FOR PART III LIGHT & OPTICS Electromagnetic Waves A. Electromagnetic waves S-23,24 1. speed of waves = 1/( o o ) ½ = 3 x 10 8 m/s = c 2. waves and frequency: the spectrum (a) radio red

More information

ABC Math Student Copy. N. May ABC Math Student Copy. Physics Week 13(Sem. 2) Name. Light Chapter Summary Cont d 2

ABC Math Student Copy. N. May ABC Math Student Copy. Physics Week 13(Sem. 2) Name. Light Chapter Summary Cont d 2 Page 1 of 12 Physics Week 13(Sem. 2) Name Light Chapter Summary Cont d 2 Lens Abberation Lenses can have two types of abberation, spherical and chromic. Abberation occurs when the rays forming an image

More information

CH. 23 Mirrors and Lenses HW# 6, 7, 9, 11, 13, 21, 25, 31, 33, 35

CH. 23 Mirrors and Lenses HW# 6, 7, 9, 11, 13, 21, 25, 31, 33, 35 CH. 23 Mirrors and Lenses HW# 6, 7, 9, 11, 13, 21, 25, 31, 33, 35 Mirrors Rays of light reflect off of mirrors, and where the reflected rays either intersect or appear to originate from, will be the location

More information

AP B Webreview ch 24 diffraction and interference

AP B Webreview ch 24 diffraction and interference Name: Class: _ Date: _ AP B Webreview ch 24 diffraction and interference Multiple Choice Identify the choice that best completes the statement or answers the question.. In order to produce a sustained

More information

Lenses. A transparent object used to change the path of light Examples: Human eye Eye glasses Camera Microscope Telescope

Lenses. A transparent object used to change the path of light Examples: Human eye Eye glasses Camera Microscope Telescope SNC2D Lenses A transparent object used to change the path of light Examples: Human eye Eye glasses Camera Microscope Telescope Reading stones used by monks, nuns, and scholars ~1000 C.E. Lenses THERE ARE

More information

b) (4) If you could look at a snapshot of the waves, how far apart in space are two successive positive peaks of the electric field?

b) (4) If you could look at a snapshot of the waves, how far apart in space are two successive positive peaks of the electric field? General Physics II Exam 3 - Chs. 22 25 - EM Waves & Optics October 20, 206 Name Rec. Instr. Rec. Time For full credit, make your work clear. Show formulas used, essential steps, and results with correct

More information

Option G 2: Lenses. The diagram below shows the image of a square grid as produced by a lens that does not cause spherical aberration.

Option G 2: Lenses. The diagram below shows the image of a square grid as produced by a lens that does not cause spherical aberration. Name: Date: Option G 2: Lenses 1. This question is about spherical aberration. The diagram below shows the image of a square grid as produced by a lens that does not cause spherical aberration. In the

More information

SUBJECT: PHYSICS. Use and Succeed.

SUBJECT: PHYSICS. Use and Succeed. SUBJECT: PHYSICS I hope this collection of questions will help to test your preparation level and useful to recall the concepts in different areas of all the chapters. Use and Succeed. Navaneethakrishnan.V

More information

a) (6) How much time in milliseconds does the signal require to travel from the satellite to the dish antenna?

a) (6) How much time in milliseconds does the signal require to travel from the satellite to the dish antenna? General Physics II Exam 3 - Chs. 22 25 - EM Waves & Optics April, 203 Name Rec. Instr. Rec. Time For full credit, make your work clear. Show formulas used, essential steps, and results with correct units

More information

AP Physics Problems -- Waves and Light

AP Physics Problems -- Waves and Light AP Physics Problems -- Waves and Light 1. 1974-3 (Geometric Optics) An object 1.0 cm high is placed 4 cm away from a converging lens having a focal length of 3 cm. a. Sketch a principal ray diagram for

More information

PHY 431 Homework Set #5 Due Nov. 20 at the start of class

PHY 431 Homework Set #5 Due Nov. 20 at the start of class PHY 431 Homework Set #5 Due Nov. 0 at the start of class 1) Newton s rings (10%) The radius of curvature of the convex surface of a plano-convex lens is 30 cm. The lens is placed with its convex side down

More information

CHAPTER 18 REFRACTION & LENSES

CHAPTER 18 REFRACTION & LENSES Physics Approximate Timeline Students are expected to keep up with class work when absent. CHAPTER 18 REFRACTION & LENSES Day Plans for the day Assignments for the day 1 18.1 Refraction of Light o Snell

More information

Chapter 34 The Wave Nature of Light; Interference. Copyright 2009 Pearson Education, Inc.

Chapter 34 The Wave Nature of Light; Interference. Copyright 2009 Pearson Education, Inc. Chapter 34 The Wave Nature of Light; Interference 34-7 Luminous Intensity The intensity of light as perceived depends not only on the actual intensity but also on the sensitivity of the eye at different

More information

Final Reg Optics Review SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question.

Final Reg Optics Review SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question. Final Reg Optics Review 1) How far are you from your image when you stand 0.75 m in front of a vertical plane mirror? 1) 2) A object is 12 cm in front of a concave mirror, and the image is 3.0 cm in front

More information

G1 THE NATURE OF EM WAVES AND LIGHT SOURCES

G1 THE NATURE OF EM WAVES AND LIGHT SOURCES G1 THE NATURE OF EM WAVES AND LIGHT SOURCES G2 OPTICAL INSTRUMENTS HW/Study Packet Required: READ Tsokos, pp 598-620 SL/HL Supplemental: Hamper, pp 411-450 DO Questions p 605 #1,3 pp 621-623 #6,8,15,18,19,24,26

More information

WHS-CH-23 Light: Geometric Optics Show all your work, equations used, and box in your answers!

WHS-CH-23 Light: Geometric Optics Show all your work, equations used, and box in your answers! WHS-CH-23 Light: Geometric Optics Show all your work, equations used, and box in your answers! Willebrord Snell (1591-1626) Snell developed methods for measuring the Earth. He proposed the method of triangulation

More information

The Wave Nature of Light

The Wave Nature of Light The Wave Nature of Light Physics 102 Lecture 7 4 April 2002 Pick up Grating & Foil & Pin 4 Apr 2002 Physics 102 Lecture 7 1 Light acts like a wave! Last week we saw that light travels from place to place

More information

OPTICS DIVISION B. School/#: Names:

OPTICS DIVISION B. School/#: Names: OPTICS DIVISION B School/#: Names: Directions: Fill in your response for each question in the space provided. All questions are worth two points. Multiple Choice (2 points each question) 1. Which of the

More information

Chapter 25. Optical Instruments

Chapter 25. Optical Instruments Chapter 25 Optical Instruments Optical Instruments Analysis generally involves the laws of reflection and refraction Analysis uses the procedures of geometric optics To explain certain phenomena, the wave

More information

Chapter 23. Mirrors and Lenses

Chapter 23. Mirrors and Lenses Chapter 23 Mirrors and Lenses Notation for Mirrors and Lenses The object distance is the distance from the object to the mirror or lens Denoted by p The image distance is the distance from the image to

More information

PHYSICS OPTICS. Mr Rishi Gopie

PHYSICS OPTICS. Mr Rishi Gopie OPTICS Mr Rishi Gopie Ray Optics II Images formed by lens maybe real or virtual and may have different characteristics and locations that depend on: i) The type of lens involved, whether converging or

More information

25 cm. 60 cm. 50 cm. 40 cm.

25 cm. 60 cm. 50 cm. 40 cm. Geometrical Optics 7. The image formed by a plane mirror is: (a) Real. (b) Virtual. (c) Erect and of equal size. (d) Laterally inverted. (e) B, c, and d. (f) A, b and c. 8. A real image is that: (a) Which

More information

LENSES. a. To study the nature of image formed by spherical lenses. b. To study the defects of spherical lenses.

LENSES. a. To study the nature of image formed by spherical lenses. b. To study the defects of spherical lenses. Purpose Theory LENSES a. To study the nature of image formed by spherical lenses. b. To study the defects of spherical lenses. formation by thin spherical lenses s are formed by lenses because of the refraction

More information

Diffraction Single-slit Double-slit Diffraction grating Limit on resolution X-ray diffraction. Phys 2435: Chap. 36, Pg 1

Diffraction Single-slit Double-slit Diffraction grating Limit on resolution X-ray diffraction. Phys 2435: Chap. 36, Pg 1 Diffraction Single-slit Double-slit Diffraction grating Limit on resolution X-ray diffraction Phys 2435: Chap. 36, Pg 1 Single Slit New Topic Phys 2435: Chap. 36, Pg 2 Diffraction: bending of light around

More information

Chapter 23. Mirrors and Lenses

Chapter 23. Mirrors and Lenses Chapter 23 Mirrors and Lenses Mirrors and Lenses The development of mirrors and lenses aided the progress of science. It led to the microscopes and telescopes. Allowed the study of objects from microbes

More information

Phy Ph s y 102 Lecture Lectur 21 Optical instruments 1

Phy Ph s y 102 Lecture Lectur 21 Optical instruments 1 Phys 102 Lecture 21 Optical instruments 1 Today we will... Learn how combinations of lenses form images Thin lens equation & magnification Learn about the compound microscope Eyepiece & objective Total

More information

R.B.V.R.R. WOMEN S COLLEGE (AUTONOMOUS) Narayanaguda, Hyderabad.

R.B.V.R.R. WOMEN S COLLEGE (AUTONOMOUS) Narayanaguda, Hyderabad. R.B.V.R.R. WOMEN S COLLEGE (AUTONOMOUS) Narayanaguda, Hyderabad. DEPARTMENT OF PHYSICS QUESTION BANK FOR SEMESTER III PAPER III OPTICS UNIT I: 1. MATRIX METHODS IN PARAXIAL OPTICS 2. ABERATIONS UNIT II

More information

PHYS2002 Practice Exam 3 (Ch. 25, 26, & 27)

PHYS2002 Practice Exam 3 (Ch. 25, 26, & 27) PHYS2002 Practice Exam 3 (h. 25, 26, & 27) onstants Name: m m q q p e o = 1.67 = 9.11 = + 1.602 = 1.602 ε = 8.85 μ = 4π o p e c = 3 8 7 m/s 27 31 12 kg kg 19 19 2 / N m T m/a 2 The Electromagnetic Spectrum

More information

PHYS 160 Astronomy. When analyzing light s behavior in a mirror or lens, it is helpful to use a technique called ray tracing.

PHYS 160 Astronomy. When analyzing light s behavior in a mirror or lens, it is helpful to use a technique called ray tracing. Optics Introduction In this lab, we will be exploring several properties of light including diffraction, reflection, geometric optics, and interference. There are two sections to this lab and they may

More information

1) An electromagnetic wave is a result of electric and magnetic fields acting together. T 1)

1) An electromagnetic wave is a result of electric and magnetic fields acting together. T 1) Exam 3 Review Name TRUE/FALSE. Write 'T' if the statement is true and 'F' if the statement is false. 1) An electromagnetic wave is a result of electric and magnetic fields acting together. T 1) 2) Electromagnetic

More information

Phys 102 Lecture 21 Optical instruments

Phys 102 Lecture 21 Optical instruments Phys 102 Lecture 21 Optical instruments 1 Today we will... Learn how combinations of lenses form images Thin lens equation & magnification Learn about the compound microscope Eyepiece & objective Total

More information

Applied Optics. , Physics Department (Room #36-401) , ,

Applied Optics. , Physics Department (Room #36-401) , , Applied Optics Professor, Physics Department (Room #36-401) 2290-0923, 019-539-0923, shsong@hanyang.ac.kr Office Hours Mondays 15:00-16:30, Wednesdays 15:00-16:30 TA (Ph.D. student, Room #36-415) 2290-0921,

More information

Notation for Mirrors and Lenses. Chapter 23. Types of Images for Mirrors and Lenses. More About Images

Notation for Mirrors and Lenses. Chapter 23. Types of Images for Mirrors and Lenses. More About Images Notation for Mirrors and Lenses Chapter 23 Mirrors and Lenses Sections: 4, 6 Problems:, 8, 2, 25, 27, 32 The object distance is the distance from the object to the mirror or lens Denoted by p The image

More information

=, where f is focal length of a lens (positive for convex. Equations: Lens equation

=, where f is focal length of a lens (positive for convex. Equations: Lens equation Physics 1230 Light and Color : Exam #1 Your full name: Last First & middle General information: This exam will be worth 100 points. There are 10 multiple choice questions worth 5 points each (part 1 of

More information

Waves & Oscillations

Waves & Oscillations Physics 42200 Waves & Oscillations Lecture 27 Geometric Optics Spring 205 Semester Matthew Jones Sign Conventions > + = Convex surface: is positive for objects on the incident-light side is positive for

More information

Reflection! Reflection and Virtual Image!

Reflection! Reflection and Virtual Image! 1/30/14 Reflection - wave hits non-absorptive surface surface of a smooth water pool - incident vs. reflected wave law of reflection - concept for all electromagnetic waves - wave theory: reflected back

More information

Mirrors, Lenses &Imaging Systems

Mirrors, Lenses &Imaging Systems Mirrors, Lenses &Imaging Systems We describe the path of light as straight-line rays And light rays from a very distant point arrive parallel 145 Phys 24.1 Mirrors Standing away from a plane mirror shows

More information

PRINCIPLE PROCEDURE ACTIVITY. AIM To observe diffraction of light due to a thin slit.

PRINCIPLE PROCEDURE ACTIVITY. AIM To observe diffraction of light due to a thin slit. ACTIVITY 12 AIM To observe diffraction of light due to a thin slit. APPARATUS AND MATERIAL REQUIRED Two razor blades, one adhesive tape/cello-tape, source of light (electric bulb/ laser pencil), a piece

More information

EE119 Introduction to Optical Engineering Spring 2002 Final Exam. Name:

EE119 Introduction to Optical Engineering Spring 2002 Final Exam. Name: EE119 Introduction to Optical Engineering Spring 2002 Final Exam Name: SID: CLOSED BOOK. FOUR 8 1/2 X 11 SHEETS OF NOTES, AND SCIENTIFIC POCKET CALCULATOR PERMITTED. TIME ALLOTTED: 180 MINUTES Fundamental

More information

EXAM NYC-05 Waves, optics and modern physics

EXAM NYC-05 Waves, optics and modern physics EXAM 2 203-NYC-05 Waves, optics and modern physics Fall 2017 Prof: Jean-Raphaël Carrier Name: Instructions For questions 1 to 10, only the correct answer(s) is(are) needed. For questions 11 to 14, clearly

More information

Converging Lenses. Parallel rays are brought to a focus by a converging lens (one that is thicker in the center than it is at the edge).

Converging Lenses. Parallel rays are brought to a focus by a converging lens (one that is thicker in the center than it is at the edge). Chapter 30: Lenses Types of Lenses Piece of glass or transparent material that bends parallel rays of light so they cross and form an image Two types: Converging Diverging Converging Lenses Parallel rays

More information

EP 324 Applied Optics. Topic 3 Lenses. Department of Engineering of Physics Gaziantep University. Oct Sayfa 1

EP 324 Applied Optics. Topic 3 Lenses. Department of Engineering of Physics Gaziantep University. Oct Sayfa 1 EP 324 Applied Optics Topic 3 Lenses Department of Engineering of Physics Gaziantep University Oct 205 Sayfa PART I SPHERICAL LENSES Sayfa 2 Lens: The main instrument for image formation Sayfa 3 Lens A

More information

PHYS 241 FINAL EXAM December 11, 2006

PHYS 241 FINAL EXAM December 11, 2006 1. (5 points) Light of wavelength λ is normally incident on a diffraction grating, G. On the screen S, the central line is at P and the first order line is at Q, as shown. The distance between adjacent

More information

Chapter 26. The Refraction of Light: Lenses and Optical Instruments

Chapter 26. The Refraction of Light: Lenses and Optical Instruments Chapter 26 The Refraction of Light: Lenses and Optical Instruments 26.1 The Index of Refraction Light travels through a vacuum at a speed c=3. 00 10 8 m/ s Light travels through materials at a speed less

More information

CHAPTER 3LENSES. 1.1 Basics. Convex Lens. Concave Lens. 1 Introduction to convex and concave lenses. Shape: Shape: Symbol: Symbol:

CHAPTER 3LENSES. 1.1 Basics. Convex Lens. Concave Lens. 1 Introduction to convex and concave lenses. Shape: Shape: Symbol: Symbol: CHAPTER 3LENSES 1 Introduction to convex and concave lenses 1.1 Basics Convex Lens Shape: Concave Lens Shape: Symbol: Symbol: Effect to parallel rays: Effect to parallel rays: Explanation: Explanation:

More information

Ch 24. Geometric Optics

Ch 24. Geometric Optics text concept Ch 24. Geometric Optics Fig. 24 3 A point source of light P and its image P, in a plane mirror. Angle of incidence =angle of reflection. text. Fig. 24 4 The blue dashed line through object

More information

COURSE NAME: PHOTOGRAPHY AND AUDIO VISUAL PRODUCTION (VOCATIONAL) FOR UNDER GRADUATE (FIRST YEAR)

COURSE NAME: PHOTOGRAPHY AND AUDIO VISUAL PRODUCTION (VOCATIONAL) FOR UNDER GRADUATE (FIRST YEAR) COURSE NAME: PHOTOGRAPHY AND AUDIO VISUAL PRODUCTION (VOCATIONAL) FOR UNDER GRADUATE (FIRST YEAR) PAPER TITLE: BASIC PHOTOGRAPHIC UNIT - 3 : SIMPLE LENS TOPIC: LENS PROPERTIES AND DEFECTS OBJECTIVES By

More information

Optics Practice. Version #: 0. Name: Date: 07/01/2010

Optics Practice. Version #: 0. Name: Date: 07/01/2010 Optics Practice Date: 07/01/2010 Version #: 0 Name: 1. Which of the following diagrams show a real image? a) b) c) d) e) i, ii, iii, and iv i and ii i and iv ii and iv ii, iii and iv 2. A real image is

More information

PhysicsAndMathsTutor.com 1

PhysicsAndMathsTutor.com 1 PhysicsAndMathsTutor.com 1 Q1. Just over two hundred years ago Thomas Young demonstrated the interference of light by illuminating two closely spaced narrow slits with light from a single light source.

More information

Refraction is the when a ray changes mediums. Examples of mediums:

Refraction is the when a ray changes mediums. Examples of mediums: Refraction and Lenses Refraction is the when a ray changes mediums. Examples of mediums: Lenses are optical devices which take advantage of the refraction of light to 1. produces images real and 2. change

More information

Division C Optics KEY Captains Exchange

Division C Optics KEY Captains Exchange Division C Optics KEY 2017-2018 Captains Exchange 1.) If a laser beam is reflected off a mirror lying on a table and bounces off a nearby wall at a 30 degree angle, what was the angle of incidence of the

More information

Physics 102 Exam 3 Fall Last Name: First Name Network-ID

Physics 102 Exam 3 Fall Last Name: First Name Network-ID Physics 102 Exam 3 Fall 2013 Last Name: First Name Network-ID Discussion Section: Discussion TA Name: Turn off your cell phone and put it out of sight. Keep your calculator on your own desk. Calculators

More information

A single source. Interference...

A single source. Interference... Water Waves Water Waves A single source Interference... Two sources Interference... If two people walk toward a point and both start on the same foot-- d 10 steps 11 steps y At the point where they meet

More information

Department of Physics & Astronomy Undergraduate Labs. Thin Lenses

Department of Physics & Astronomy Undergraduate Labs. Thin Lenses Thin Lenses Reflection and Refraction When light passes from one medium to another, part of the light is reflected and the rest is transmitted. Light rays that are transmitted undergo refraction (bending)

More information

Geometric Optics. PSI AP Physics 2. Multiple-Choice

Geometric Optics. PSI AP Physics 2. Multiple-Choice Geometric Optics PSI AP Physics 2 Name Multiple-Choice 1. When an object is placed in front of a plane mirror the image is: (A) Upright, magnified and real (B) Upright, the same size and virtual (C) Inverted,

More information

Preview. Light and Reflection Section 1. Section 1 Characteristics of Light. Section 2 Flat Mirrors. Section 3 Curved Mirrors

Preview. Light and Reflection Section 1. Section 1 Characteristics of Light. Section 2 Flat Mirrors. Section 3 Curved Mirrors Light and Reflection Section 1 Preview Section 1 Characteristics of Light Section 2 Flat Mirrors Section 3 Curved Mirrors Section 4 Color and Polarization Light and Reflection Section 1 TEKS The student

More information

Lenses Design Basics. Introduction. RONAR-SMITH Laser Optics. Optics for Medical. System. Laser. Semiconductor Spectroscopy.

Lenses Design Basics. Introduction. RONAR-SMITH Laser Optics. Optics for Medical. System. Laser. Semiconductor Spectroscopy. Introduction Optics Application Lenses Design Basics a) Convex lenses Convex lenses are optical imaging components with positive focus length. After going through the convex lens, parallel beam of light

More information

End-of-Chapter Exercises

End-of-Chapter Exercises End-of-Chapter Exercises Exercises 1 12 are conceptual questions designed to see whether you understand the main concepts in the chapter. 1. Red laser light shines on a double slit, creating a pattern

More information

There is a range of distances over which objects will be in focus; this is called the depth of field of the lens. Objects closer or farther are

There is a range of distances over which objects will be in focus; this is called the depth of field of the lens. Objects closer or farther are Chapter 25 Optical Instruments Some Topics in Chapter 25 Cameras The Human Eye; Corrective Lenses Magnifying Glass Telescopes Compound Microscope Aberrations of Lenses and Mirrors Limits of Resolution

More information

Exercise 8: Interference and diffraction

Exercise 8: Interference and diffraction Physics 223 Name: Exercise 8: Interference and diffraction 1. In a two-slit Young s interference experiment, the aperture (the mask with the two slits) to screen distance is 2.0 m, and a red light of wavelength

More information

Converging and Diverging Surfaces. Lenses. Converging Surface

Converging and Diverging Surfaces. Lenses. Converging Surface Lenses Sandy Skoglund 2 Converging and Diverging s AIR Converging If the surface is convex, it is a converging surface in the sense that the parallel rays bend toward each other after passing through the

More information

Image Formation. Light from distant things. Geometrical optics. Pinhole camera. Chapter 36

Image Formation. Light from distant things. Geometrical optics. Pinhole camera. Chapter 36 Light from distant things Chapter 36 We learn about a distant thing from the light it generates or redirects. The lenses in our eyes create images of objects our brains can process. This chapter concerns

More information

Physics review Practice problems

Physics review Practice problems Physics review Practice problems 1. A double slit interference pattern is observed on a screen 2.0 m behind 2 slits spaced 0.5 mm apart. From the center of one particular fringe to 9 th bright fringe is

More information

Fiber Optic Communications

Fiber Optic Communications Fiber Optic Communications ( Chapter 2: Optics Review ) presented by Prof. Kwang-Chun Ho 1 Section 2.4: Numerical Aperture Consider an optical receiver: where the diameter of photodetector surface area

More information

Physics 3340 Spring Fourier Optics

Physics 3340 Spring Fourier Optics Physics 3340 Spring 011 Purpose Fourier Optics In this experiment we will show how the Fraunhofer diffraction pattern or spatial Fourier transform of an object can be observed within an optical system.

More information

c v n = n r Sin n c = n i Refraction of Light Index of Refraction Snell s Law or Refraction Example Problem Total Internal Reflection Optics

c v n = n r Sin n c = n i Refraction of Light Index of Refraction Snell s Law or Refraction Example Problem Total Internal Reflection Optics Refraction is the bending of the path of a light wave as it passes from one material into another material. Refraction occurs at the boundary and is caused by a change in the speed of the light wave upon

More information

Chapter 28 Physical Optics: Interference and Diffraction

Chapter 28 Physical Optics: Interference and Diffraction Chapter 28 Physical Optics: Interference and Diffraction 1 Overview of Chapter 28 Superposition and Interference Young s Two-Slit Experiment Interference in Reflected Waves Diffraction Resolution Diffraction

More information

Unit 8: Light and Optics

Unit 8: Light and Optics Objectives Unit 8: Light and Optics Explain why we see colors as combinations of three primary colors. Explain the dispersion of light by a prism. Understand how lenses and mirrors work. Explain thermal

More information

Geometric Optics Practice Problems. Ray Tracing - Draw at least two principle rays and show the image created by the lens or mirror.

Geometric Optics Practice Problems. Ray Tracing - Draw at least two principle rays and show the image created by the lens or mirror. Geometric Optics Practice Problems Ray Tracing - Draw at least two principle rays and show the image created by the lens or mirror. 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. Practice Problems - Mirrors Classwork

More information

6. OPTICS RAY OPTICS GIST. Reflection by convex and concave mirrors. a. Mirror formula, where u is the object distance, v is the image distance and f is v u f the focal length. v f v f b. Magnification

More information

Spherical Mirrors. Concave Mirror, Notation. Spherical Aberration. Image Formed by a Concave Mirror. Image Formed by a Concave Mirror 4/11/2014

Spherical Mirrors. Concave Mirror, Notation. Spherical Aberration. Image Formed by a Concave Mirror. Image Formed by a Concave Mirror 4/11/2014 Notation for Mirrors and Lenses Chapter 23 Mirrors and Lenses The object distance is the distance from the object to the mirror or lens Denoted by p The image distance is the distance from the image to

More information

LECTURE 17 MIRRORS AND THIN LENS EQUATION

LECTURE 17 MIRRORS AND THIN LENS EQUATION LECTURE 17 MIRRORS AND THIN LENS EQUATION 18.6 Image formation with spherical mirrors Concave mirrors Convex mirrors 18.7 The thin-lens equation Sign conventions for lenses and mirrors Spherical mirrors

More information

O5: Lenses and the refractor telescope

O5: Lenses and the refractor telescope O5. 1 O5: Lenses and the refractor telescope Introduction In this experiment, you will study converging lenses and the lens equation. You will make several measurements of the focal length of lenses and

More information

Reading: Lenses and Mirrors; Applications Key concepts: Focal points and lengths; real images; virtual images; magnification; angular magnification.

Reading: Lenses and Mirrors; Applications Key concepts: Focal points and lengths; real images; virtual images; magnification; angular magnification. Reading: Lenses and Mirrors; Applications Key concepts: Focal points and lengths; real images; virtual images; magnification; angular magnification. 1.! Questions about objects and images. Can a virtual

More information

EE119 Introduction to Optical Engineering Spring 2003 Final Exam. Name:

EE119 Introduction to Optical Engineering Spring 2003 Final Exam. Name: EE119 Introduction to Optical Engineering Spring 2003 Final Exam Name: SID: CLOSED BOOK. THREE 8 1/2 X 11 SHEETS OF NOTES, AND SCIENTIFIC POCKET CALCULATOR PERMITTED. TIME ALLOTTED: 180 MINUTES Fundamental

More information

HUYGENS PRINCIPLE AND INTERFERENCE

HUYGENS PRINCIPLE AND INTERFERENCE HUYGENS PRINCIPLE AND INTERFERENCE VERY SHORT ANSWER QUESTIONS Q-1. Can we perform Double slit experiment with ultraviolet light? Q-2. If no particular colour of light or wavelength is specified, then

More information

PHYS General Physics II Lab Diffraction Grating

PHYS General Physics II Lab Diffraction Grating 1 PHYS 1040 - General Physics II Lab Diffraction Grating In this lab you will perform an experiment to understand the interference of light waves when they pass through a diffraction grating and to determine

More information

Academic Year: 2017/2018 Term 3 Physics - Grade 10 Revision sheet Chapter 13: section 1,2,3 / Chapter 14: section 1 pages: ( ),( )

Academic Year: 2017/2018 Term 3 Physics - Grade 10 Revision sheet Chapter 13: section 1,2,3 / Chapter 14: section 1 pages: ( ),( ) Academic Year: 2017/2018 Term 3 Physics - Grade 10 Revision sheet Chapter 13: section 1,2,3 / Chapter 14: section 1 pages: (442-462),(482-487) Spherical curved mirrors : a mirror that has the shape of

More information

GRADE 11-LESSON 2 PHENOMENA RELATED TO OPTICS

GRADE 11-LESSON 2 PHENOMENA RELATED TO OPTICS REFLECTION OF LIGHT GRADE 11-LESSON 2 PHENOMENA RELATED TO OPTICS 1.i. What is reflection of light?.. ii. What are the laws of reflection? a...... b.... iii. Consider the diagram at the right. Which one

More information