Unit Test — Unit test Answers

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When light bends as it passes from one transparent object to another, the light is ________.Which best completes the statement?

A
absorbed
B
reflected
C
refracted
D
bounced
22
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What is occurring when two waves traveling along the same medium meet and cancel each other out?

A
destructive interference
B
constructive interference
C
reflection
D
refraction
23

Prisms separate ________ light, such as that from the Sun, by wavelength.Which best completes the statement?

A
ultraviolet
B
white
C
infrared
D
black
24

Which statement best describes how waves carry energy?

A
Energy moves from one place to another through the wave.
B
Energy increases as it moves through the wave.
C
Energy is completely consumed by the beginning of the wave.
D
Energy builds through the wave and is released at the end.
25

Evelynn is measuring the pitch of a piano note. What unit of measurement is she most likely recording her value in?

A
hertz
B
decibels
C
frequency
D
amplitude

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