Ch 10 - Waves And Sound: Question Preview (ID: 30356)


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Sound is a disturbance that travels through a medium as a
a) longitudinal wave b) surface wave c) standing wave d) transverse wave
The pitch of a sound that you hear depends on the wave's
a) frequency b) loudness c) intensity d) speed
Which of the following factors determines the loudness of a sound
a) amplitude of the sound wave b) frequency of the sound wave c) density of the medium d) temperature of the medium
As the frequency of a wave traveling at a constant speed increases, its _________ decreases
a) wavelength b) resonance c) speed d) sound
In a longitudinal wave moving along a spring, areas where the coils are farthest apart are called
a) rarefactions b) compressions c) depressions d) interference
The more ________ a wave has, the greater its amplitude.
a) energy b) speed c) crests d) troughs
The spreading out of waves after they pass through a narrow opening or around a barrier is called
a) diffraction b) constructive interference c) destructive interference d) resonance
When the crests of one wave align with the ____________ of an identical wave, the amplitude of the resulting wave is zero.
a) troughs b) nodes c) antinodes d) rest position
The speed of sound in air decreases in _______ temperature.
a) colder b) hotter c) liquid d) solid
The law of reflection states that the angle of incidence is _________ the angle of reflection.
a) equal to b) greater than c) less than d) bends away from
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