Waves And Sound: Question Preview (ID: 28120)


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An opera singer who shatters glass while singing is an example of which interaction of sound?
a) Doppler Effect b) resonance c) d)
When two waves overlap and cancel each other out to make a wave with a smaller amplitude/energy, _________ interference has occurred.
a) constructive b) destructive c) d)
An example of _________ is when light travels through a prism and all of the colors are displayed
a) reflection b) refraction c) diffraction d) interference
This phenomenon occurs when waves are bent around a barrier or travel through an opening.
a) reflection b) refraction c) diffraction d) interference
All waves
a) transfer matter b) require a medium c) transfer energy d) can travel without a medium
Waves in which the particles vibrate perpendicular to the wave direction are
a) longitudinal waves b) surface waves c) transverse wave d) compressional waves
Waves that bounce off of a surface are
a) refracted b) diffracted c) reflected d) interfered
When two waves overlap and create a wave with a larger amplitude/energy, _________ interference has occurred.
a) constructive b) destructive c) d)
Waves in which the particles vibrate parallel to the wave direction are
a) surface waves b) longitudinal waves c) transverse wave d) light waves
The most crowded regions of a longitudinal wave are called
a) rarefactions b) compressions c) crests d) troughs
The number of complete wave cycles per second is a measure of the wave's
a) frequency b) amplitude c) wavelength d) wave speed
As the ambulance raced down the street towards you, the siren's pitch increased. As soon as the ambulance passed you, the pitch dropped. This is an example of
a) Harrys Law b) the Doppler Effect c) the resonance shift d) loudness
The loudness of a sound wave is measured by
a) the amplitude (or amount of energy) of the wave b) the frequency of the wave c) the pitch of the sound d) the wavelength
Resonance occurs when
a) there is an apparent change in frequency of a sound. b) pitch changes from high to low. c) the loudness is increased. d) one object vibrates at the natural frequency of another object and causes it to vibrate as well.
_________is how high or low a sound is perceived to be.
a) Loudness b) Amplitude c) Pitch d) Frequency
As frequency decreases,
a) the pitch and the wavelength decrease b) the pitch decreases while the wavelength increases c) the pitch increases while the wavelength decreases d) the pitch and the wavelength increase
The greater the density of a medium...
a) the slower the sound wave will travel b) the faster the sound wave will travel c) d)
What is the wave speed of a wave that has a frequency of 2 Hz and a wavelength of 2 cm?
a) 4 m/s b) 1 m/s c) 4 cm/s d) 1 cm/s
Sound waves travel fastest in
a) empty space b) gases c) liquids d) solids
A wave that requires a medium is called
a) a mechanical wave b) an electromagnetic wave c) a transverse wave d) a surface wave
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