Name Physical Science Physics C/By Due Date Code Period Earned Points PSP 5W4 Seeing Problems (divide by 11) Multiple Choice Identify the letter of the choice that best completes the statement or answers the question. 1. (1 point) There are three types a. focal point b. rods c. cones d. cornea 2. (1 point) In order to see, the light must be able to a. hit the retina b. be absorbed by the aqueous humor c. bounce off of the retina d. be absorbed by the lens 3. (1 point) The lens of the human eye focuses light by. a. changing color b. controlling the amount of light entering the eye c. changing its index of refraction d. changing the lens shape 4. (1 point) The cells in the retina that are sensitive to color a. optic disk b. rods c. retina d. cones 5. (1 point) They either are "on" or "off" giving a simple black - white - gray image a. sclera b. rods c. real image d. cones 6. (1 point) They can "see" either red, green, or blue a. sclera b. real image c. cones d. rods 7. (1 point) The cells in the retina that are sensitive to all light a. rods b. retina c. lens d. optic disk 8. (1 point) Pigment colors a. add to each other b. subtract from each other c. were invented first d. are a myth 9. (1 point) One way light can interact with matter is a. scattering b. to become angry c. to become calmer d. to become a particle 10. (1 point) The clear part in the front of the eye a. nearsightedness b. cornea c. farsightedness d. astigmatism 11. (1 point) Not red or green a. thermogram b. blue c. red d. primary 12. (1 point) Objects at a distance appear blurry because the eye is too long a. nearsightedness b. rods c. cones d. optic disk Physical Science Physics code Page 1 of 5
13. (1 point) The letter D in the above diagram is a(n): a. plane mirror b. simple mirror c. convex lens d. convex table 14. (1 point) In order to see, the light must be able to a. produce tears b. be focused by the lens c. go through the retina d. eat chocolate 15. (1 point) A common vision problem is a. seeing during the daylight b. seeing things that are black c. color blindness due to lack of one or more cone types d. this exam question 16. (1 point) laser light is different from normal light because a. it spreads out into a wide area b. the light is a broad beam that scatters c. it can be focused on several spots at once d. it can be focused to very tiny spots 17. (1 point) They detect low levels of light a. cornea b. rods c. cones d. focal point 18. (1 point) A common vision problem is a. too many tears due to emotions b. irises that are the wrong color c. fake tears d. farsightedness 19. (1 point) Objects close by appear blurry because the eye is too short a. cones b. farsightedness c. rods d. nearsightedness 20. (1 point) Objects appear blurry because the cornea or the lens of the eye is misshapen a. nearsightedness b. farsightedness c. astigmatism d. cones 21. (1 point) The effect is related to the inverse of the distance squared a. electromagnetic radiation b. inverse square law c. transmitted d. photon 22. (1 point) A common vision problem is a. lack of imagination b. turning out the lights c. a sclera that is too white d. a scratched or damaged cornea 23. (1 point) A common vision problem is a. type that is too large b. chocolate images that haunt the imagination c. colors that are too bright d. nearsightedness 24. (1 point) In order to see, the light must be able to a. be interpreted by the brain b. pay the entire bill c. be absorbed by the iris d. use a dictionary 25. (1 point) In order to see, the light must be able to Physical Science Physics code Page 2 of 5
a. refract off of the iris b. go through the sclera c. hit the optic disk d. go through the cornea Matching MATCHING a. CHOICE BLANK k. Pigments b. black l. primary c. blue m. radio waves d. cyan n. red e. gamma rays o. Secondary f. Green p. ultraviolet g. green q. visible light h. infrared r. white i. magenta s. x-rays j. microwaves t. yellow 26. 27. 28. 29. 30. (1 point) Chemicals that absorb (stop) specific colors (1 point) All three primary colors of light in equal amounts (1 point) None of the primary colors of light (1 point) Absorbs red, allows blue and green to reflect (1 point) Not green or blue MATCHING a. aqueous humor l. lenses b. Astigmatism m. mirrors c. concave lens n. Nearsightedness d. concave mirrors o. optic disk e. cones p. plane mirror f. convex lens q. pupil g. convex mirrors r. refraction h. cornea s. retina i. Farsightedness t. rods j. iris u. sclera k. lens 31. 32. 33. (1 point) The cells in the retina that are sensitive to color (1 point) Objects at a distance appear blurry because the eye is too long (1 point) Objects appear blurry because the cornea or the lens of the eye is misshapen Physical Science Physics code Page 3 of 5
34. 35. (1 point) Objects close by appear blurry because the eye is too short (1 point) The cells in the retina that are sensitive to all light a. white c. blue b. red d. cyan 36. 37. (1 point) Which of the light colors would be refracted MOST by a prism? (1 point) What color would be scattered first? a. absorbed spectrum h. illuminated b. bioluminescence i. incandescent light c. coherent j. incoherent d. electroluminescence k. laser e. emitted spectrum l. LED f. fluorescent light m. luminous g. halogen lights n. neon light 38. (1 point) A device that emits light through a process of amplification of photons Problem 39. (10 points) A beam of light has a wavelength of 0.016 meters. What is the frequency of 40. (10 points) A beam of light has a wavelength of 0.019 meters. What is the frequency of 41. (10 points) A beam of light has a wavelength of 0.002 meters. What is the frequency of 42. (10 points) A beam of light has a wavelength of 0.023 meters. What is the frequency of Physical Science Physics code Page 4 of 5
Completion Complete each sentence or statement. 43. (4 points) A object is when light scatters as it goes through it. 44. (4 points) When you have, objects appear blurry because the cornea or the lens of the eye is misshapen. 45. (4 points) The retina has three types of, one for each primary color. 46. (4 points) When you have, objects close by appear blurry because the eye is too short. 47. (4 points) When you have, objects at a distance appear blurry because the eye is too long. 48. (4 points) When an object is, you can clearly see through the object. 49. (4 points) The retina has two types of sensitive cells, the and the cones. 50. (4 points) A is a lens where the surfaces bend outwards like the outside of a bowl. Physical Science Physics code Page 5 of 5