Refraction and Lenses — Unit test Answers
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The frequency of a wave does not change as it passes from one medium to another.What will most likely happen if a light wave moves from the air into a solid?
A
The wavelength of the light wave will increase.B
The speed of the light wave will decrease.C
The wavelength of the light wave will remain the same.D
The speed of the light wave will remain the same.22
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Which best describes what occurs when an object takes in a wave as the wave hits it?
A
transmissionB
absorptionC
reflectionD
refraction23
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.24
The diagram shows the reflection of light from a mirror.
A
40°B
50°C
90°D
180°25
What will occur when the trough of Wave A overlaps the crest of Wave B?
A
Destructive interference will occur, causing the new wave to have more energy than Wave A or Wave B.B
Constructive interference will occur, causing the new wave to have more energy than Wave A or Wave B.C
Destructive interference will occur, causing the new wave to have less energy than Wave A or Wave B.D
Constructive interference will occur, causing the new wave to have less energy than Wave A or Wave B.Did you find these answers helpful?
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