# color - *A child is swinging(with a small amplitude)in a...

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*A child is swinging(with a small amplitude)in a swing. Another chi. .. same swing. Does the frequency of the swinging change? (a)Yes(b)No PHY 101.002 Test 2 Answers October 18, 2007 Read each question and its set of answers very carefully. There is only one best answer for each question. Don t be afraid to ask questions of me during the exam. Just raise your hand if you have one. 1. Which color is associated with the highest frequency of visible electromagnetic waves? (a) blue (b) red (c) green (d) violet (e) magenta 2. The speed of light (a) has never been measured (b) is about the same as that of sound (c) is infinitely fast (d) is very fast, but not infinite 3. Consider light energy that is momentarily absorbed in glass and then re- emitted. Compared to the absorbed light, the frequency of the re-emitted light is (a) considerably less (b) slightly less (c) the same (d) slightly more (e) considerably more 4. You are standing on the earth viewing a total eclipse of the sun. In which shadow of the moon are you standing? (a) the penumbra http://www.physics.sfasu.edu/downing/ExampleTest2.htm (1 of 9) [11/3/2553 19:23:27]

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*A child is swinging(with a small amplitude)in a swing. Another chi. .. same swing. Does the frequency of the swinging change? (a)Yes(b)No (b) the umbra (c) the conundrum (d) the partial 5. If he (she) says "I love you" and the pupils of his (her) eyes are large, then most likely he (she) means it. (a) True (b) False 6. Mark the incorrect statement. (a) the cones in the human eye can sense color (b) the rods in the human eye provide our black and white vision (c) the rods in the human eye detect low intensity light better than the cones (d) the diameter of the pupil in the human eye never changes for a person of normal vision 7. Why can't we see stars in the middle of the day? (a) the sun is much brighter than any star (b) our atmosphere is more turbulent and the starlight is refracted away (c) scattered sunlight hides the stars from our view (d) our atmosphere totally absorbs the starlight 8. When light is behaves like a particle, we call it (a) a proton (b) a phonon (c) a photon (d) an electron (e) a wavicle 9. A beam of red light and a beam of blue light have exactly the same energy. Which beam has the greater number of photons?
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color - *A child is swinging(with a small amplitude)in a...

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