phy sci unit 14 test review

When a wave strikes a barrier and bounces back, that is called:

• Refraction

• Reflection

• Diffraction

• Interference

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What do lenses do to light?

• Refract

• Reflect

• Diffract

• Absorb

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What do mirrors do to light?

• Refract

• Reflect

• Diffract

• Absorb

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What do you call the material or “stuff” that a wave travels through?

• Medium

• Wave

• Decibel

• Doppler

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If light waves bend as they move into a different medium, they are:

• Diffracted

• Reflected

• Refracted

• Diffused

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Which color of light has the shortest wavelength?

• Red

• Yellow

• Green

• Violet

Light is refracted and spread out by a:

• Convex lens

• Concave lens

• Convex mirror

• Concave mirror

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When vibrations from one wave cause another object to vibrate, this is called:

• Reflection

• Refraction

• Resonance

• Deflection

Why can’t you hear an alarm ringing in a vacuum?

• Sound cannot travel through glass

• Sound cannot travel in a vacuum

• Sound cannot travel through air

• Sound bounces off walls

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The least dense part of a compressional wave is called the:

• Compression

• Rarefaction

• Crest

• Trough