Fundamentals of Light Exam
Directions: Choose the one alternative that best completes the statement or answers the question.
*
2 points
*
2 points
3) Color depends on what characteristic of light? *
2 points
4. Use the figure below to answer question 4. The incident light ray, the reflected light ray, and the normal line between them *
2 points
5) All of the waves listed below are a part of the electromagnetic spectrum except *
2 points
Use the figure below to answer question 6) The color of an object is the same as the light that is *
2 points
7) Diffraction is a result of *
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8) Compared to ultraviolet waves, the wavelength of infrared waves is: *
2 points
9) Interference is a property of *
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10. Electromagnetic waves consist of *
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11. Use the figure above to answer question 11. Light will not pass through a pair of polarizing lenses when their axes are *
2 points
12) Light travels fastest in *
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13) Refraction results from differences in light's *
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14) Polarization is a property of: *
2 points
15) Sunsets are red because the lower frequencies of light: *
2 points
16) Diffraction is more pronounced through relatively: *
2 points
17) Electromagnetic waves: *
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18) Relative to radio waves, the velocity of visible light waves in a vacuum is *
2 points
19) Waves diffract the most when their wavelength is *
2 points
20) Materials generally become warmer when light is: *
2 points
21) The main difference(s) between a radio wave and a light wave is (are) its: *
2 points
Use the figure below to answer question 22. 22) A beam of light emerges from water into air at an angle. The beam is bent: *
2 points
23) Which of these electromagnetic waves has the shortest wavelength? *
2 points
24) When light reflects from a surface, there is a change in its: *
2 points
25) Light waves traveling through the vacuum of space have a speed that's equal to: *
2 points
26) If a light signal and a radio signal were transmitted simultaneously from a nearby star, the first signal to reach the Earth would be *
2 points
27) The fact that you can get sunburned while submerged in water is evidence that water *
2 points
28) The worst thing you can do for the health of a green-leafed plant is to illuminate it with only: *
2 points
29) The effect in which white light separates into different colors is called *
2 points