Unit Test — Unit test Answers
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The chart shows the speed at which light travels through different media.
A
waterB
airC
glassD
diamond22
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Which lists the waves in order of frequency, from highest to lowest?
A
X-rays, gamma rays, ultravioletB
radio waves, visible light, X-raysC
ultraviolet, microwaves, gamma raysD
visible light, infrared, microwaves23
Which describes the relationship between the frequency, wavelength, and speed of a wave as the wave travels through different media?
A
As speed changes, wavelength changes and frequency remains constant.B
As speed changes, frequency changes and wavelength remains constant.C
As speed changes, wavelength and frequency change.D
As speed changes, wavelength and frequency remain constant.24
A cell phone company relies on which kind of waves in order to provide service for its customers?
A
ultraviolet wavesB
infrared wavesC
gamma raysD
microwaves25
Rays of light strike a bumpy road and are reflected.
A
They will not follow the law of reflection.B
Each will reflect at the exact same angle of reflection.C
They will all travel in the same direction.D
Each will reflect at an angle equal to its angle of incidence.Did you find these answers helpful?
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