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Author Quiz
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1

If you increase the energy that goes into starting a vibration, you will increase the
A)frequency.
B)amplitude.
C)number of cycles per second.
D)wavelength.
2

The time required for one cycle of any repeating event is called one
A)hertz.
B)period.
C)frequency.
D)amplitude.
3

The time needed for one cycle and the frequency of a vibration have a relationship of the frequency varying
A)directly with the time.
B)directly with the square of the time.
C)inversely with the time.
D)inversely with the square of the time.
4

A longitudinal wave causes particles of a material to move
A)back and forth in the same direction the wave is moving.
B)perpendicular to the direction the wave is moving.
C)in a circular motion in the direction the wave is moving.
D)in a circular motion opposite the direction the wave is moving.
5

A transverse wave causes particles of a material to move
A)back and forth in the same direction the wave is moving.
B)perpendicular to the direction the wave is moving.
C)in a circular motion in the direction the wave is moving.
D)in a circular motion opposite the direction the wave is moving.
6

Sound waves travel faster in
A)icy cold air.
B)a vacuum.
C)warm air.
D)cool air.
7

You hear a higher pitch when a sound wave has a greater
A)amplitude.
B)velocity.
C)frequency.
D)wavelength.
8

The extent of displacement of a vibrating tuning fork is related to the resulting sound wave characteristic of
A)frequency.
B)amplitude.
C)wavelength.
D)period.
9

Both constructive and destructive interference is necessary to produce the sound phenomenon known as
A)resonance.
B)refraction.
C)beats.
D)diffusion.
10

An efficient transfer of energy that takes place at a natural frequency is known as
A)resonance.
B)beats.
C)the Doppler effect.
D)reverberation.





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