1. Draw the Ray Diagram, name lens or mirror shown and determine the SALT for each picture

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Claire Palmer
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1 Honors Physics Chapter 22 and 23 Test Name: 1. Draw the Ray Diagram, name lens or mirror shown and determine the SALT for each picture 2. Type of Mirror above: i. SALT of image: S: A: L: T:

2 b. Type of Lens above: SALT of image: S: A: L: T: 2. Which of the following is NOT and Electromagnetic Wave? A) Visible Light B) Radio Waves C) Sound Waves D) Microwaves 3. EM waves are formed by: A) Interfering radio and microwaves. B) Interfering Electricity Waves and Microwaves C) Interfering Electric Fields and Magnetic Fields D) Very fast moving particles 4. The speed of light is A) Constant in all mediums B) Slows down in a Vacuum C) The same speed at Infrared Radiation D) Unknown

3 5. When I double the wavelength of a wave, the frequency of that wave must A) Triple B) Double C) Halve D) Stay the Same 6. Which color has the longest wavelength? A) Red B) Orange C) Blue D) White 7. If an EM wave has a wavelength of 3m, what type of wave is it? A) Visible B) Infrared C) Radio D) Gamma 8. A type of radiation has a frequency of 5x10 18 Hz. What is the wavelength of the wave? A) 6x10-11 m B) 6x10 25 m C) 1.67m D) 1.5x10 27 m 9. What type of EM wave is the most dangerous? A) Infrared Rays B) Ultra Violet Rays C) X-rays D) Gamma Rays 10.Which of the following correctly lists electromagnetic waves in order from longest to shortest wavelength? A) gamma rays, ultraviolet, infrared, microwaves B) microwaves, visible light, ultraviolet gamma rays C) radio waves, infrared, gamma rays, ultraviolet D) television, infrared, visible light, X-rays 11.Electromagnetic waves are. A) longitudinal B) transverse. C) both longitudinal and transverse. D) None of the above.

4 12.What statement is true when comparing red light to blue light? A) Red light travels at a greater speed than blue light. B) Blue light travels at greater speed than red light. C) The frequency of blue light is greater. D) The frequency of red light is greater 13.A wave has a wavelength of 600nm. What is its frequency? A) 2x10-15 Hz B) 2x10-17 Hz C) 5x10 14 Hz D) 5x10 5 Hz 14.The entire range of electromagnetic wave frequencies is known as. A)visible light B)ultraviolet C)the electromagnetic spectrum D)magnetism 15.The speed of an electromagnetic wave is equal to A) wavelength plus frequency. B) wavelength times frequency. C) wavelength divided by frequency. D) frequency divided by wavelength. 16.The average distance to the sun from Mars is 2.07x10 11 meters. How long does it take light from the sun to reach the earth? A) 900s B) 690s C) 6.67x10-9 D) 1.5x10 19 s 17.What property of light makes a pencil look shifted in a glass of water? A) Reflection B) Refraction C) Diffusion D) Constant Speed 18.If a light ray strikes a flat mirror at an incidence angle of 29 from the normal, the reflected ray will have a reflected angle that is. A) 29 from the normal. B) 29 from the mirror s surface. C) 27 from the normal. D) 61 from the normal

19.When light shines from the air(n=1.003) into a glass window(n=1.5), the light will bend in what direction with respect to the normal? A) Towards B) Away C) Straight D) Constant 20.

5 19.When light shines from the air(n=1.003) into a glass window(n=1.5), the light will bend in what direction with respect to the normal? A) Towards B) Away C) Straight D) Constant 20.If a concave mirror has a curvature of a mirror is 30cm. What is its focal length? A) -30cm B) 15cm C) -15cm D) 60cm 21.A ray of light shines through a glass cup. The ray goes from the glass(n 1 ) and hits the water at 25 o, runs through the water(n 2 ) and then into glass(n 1 ) on the other side. As what angle does the ray exit the water into the glass on the other side of the cup? A) 65 o B) 25 o. C) 55 o D) 90 o 22.Light is traveling at a speed of 2.7x10 8 m/s through an unknown material. What is the index of refraction of the unknown material? A) 0.9 B) 1.1 C) 1.5 D) For a converging lense a virtual image is produced when A) The object is too close to the lense (object distance is less than the focal length) B) The object is between the focal length and the curvature (2f) C) The object is very far away from the length (farther than 2f) D) converging lenses always produce virtual images 24.If the magnification of a plane mirror is: A) 0 B) 1 C) -1 D) Virtual

6 25.Which is true for a diverging lense: A) It produces larger images B) It produces both real and virtual images C) It s focal length is negative D) It produces inverted images 26. A candle is placed on the principal axis of a concave mirror at a distance of 30 cm from the mirror. The focal length of the mirror is 10 cm. The image formed will be (A) real, upright, and enlarged (B) real, inverted, and enlarged (C) real, inverted, and smaller (D) virtual, upright, and enlarged 27. The point where all of the light reflected on a mirror must pass is called: A) Curvature Point B) Focal Point C) Principal Point D) Focal Plane 28.Plane Mirrors produce: A) Virtual Images that are the same size as the Object B) Real Images that are the same size as the Object C) Virtual Images that are a different size as the Object D) Real Images that are a different size as the Object

7 Show Your Work 29.A 2cm tall object is located 12cm away from a mirror with a focus of -8cm. What type of mirror is this? Draw the ray diagram that would go along with this picture: What is image distance? Where is the image located? What is the magnification of the mirror? What is the image height? What is the attitude? What type of image is produced?

8 30.A diamond ring falls into the ocean! A ray of light travels from the water into the diamond. The index of refraction of water is 1.33 the index of refraction of diamond is The light enters the diamond from the water at an angle of A) What Law is this an example of? B) What angle with the light exit the diamond at? C) What is the speed of light in the diamond? Extra Credit: 1. What is the correct way to spell the singular form of the word lenses? 2. An 45cm tall Image of a frog is located 6cm in front of a converging lens. The focal length of the lens is 10cm. What type of image is this? What is the object distance? What is the object height?

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