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Author Quiz
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1

An image that does not have light rays coming from the image, but is the result of your brain's interpretations of light rays is called a
A)real image.
B)imagined image.
C)virtual image.
D)phony image.
2

Light traveling at some angle as it moves from water into the air is refracted away from the normal as it enters the air, so the fish you see under water is actually
A)above the refracted image.
B)below the refracted image.
C)beside the refracted image.
D)in the same place as the refracted image.
3

When viewed straight down (90° to the surface), a fish under water is
A)above the image (away from you).
B)below the image (closer to you).
C)beside the image.
D)in the same place as the image.
4

Any part of the electromagnetic spectrum, including the colors of visible light, can be measured in units of
A)wavelength.
B)frequency.
C)energy.
D)Any of these.
5

The ratio of the speed of light in a vacuum to the speed of light in some transparent materials is called
A)the critical angle.
B)total internal reflection.
C)the law of reflection.
D)the index of refraction.
6

Which characteristic of waves of visible light is most similar to waves of microwaves?
A)speed
B)wavelength
C)frequency
D)amplitude
7

The shortest of all the radio waves is the
A)FM.
B)AM.
C)microwave.
D)television.
8

Which of the following can only be explained by a wave model of light?
A)reflection
B)refraction
C)interference
D)photoelectric effect
9

Then sky appears to be blue when the sun is high in the sky because
A)blue is the color of air, water, and other fluids in large amounts.
B)red light is scattered more than blue light.
C)blue light is scattered more than the other colors.
D)None of the above.
10

Max Planck found wave theory-shattering evidence that light of a certain color emitted from vibrating molecules would have
A)a continuous range of energy amounts.
B)a variable and unpredictable energy amount.
C)a fixed amount of energy.
D)no energy at all.





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