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13 Cards in this Set
- Front
- Back
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What is the source of all waves?
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Vibrations.
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What is meant by the period of a pendulum?
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Time for one back and forth.
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How do frequency and period relate to each other?
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They are the reciprocal of each other.
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In what direction are the vibrations relative to the direction of wave travel in a transverse wave?
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Perpendicular to the direction of wave travel.
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What is the wavelength of a transverse wave?
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The distance between successive crests (or troughs).
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What is the wavelength of a longitudinal wave?
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The distance between successive compressions, or equivalenty, the distance between successive rarefactions.
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Distinguish between constructive interference and destructive interference.
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Constructive interference is when the two waves are out of phase. Destructive interference is when the two waves are in phase.
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What causes a standing wave?
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By a wave being reflected back on its self.
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What is a node?
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Part of a standing wave where there is no movement.
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What is an antinode?
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Part of a standing wave where there is greatest movement.
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In the doppler effect, does frequency change? Does wavelength change? Does wave speed change?
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Yes. Yes. No.
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What is meant by a blue shift and a red shift for light?
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Blueshift is where the light source is moving away. Red shift is where the light moves toward you.
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How fast does a supersonic aircraft fly compared with the speed of sound?
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Faster than the speed of sound.
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