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- 1. Multiple Choice
Sound waves
require a medium.
are unrelated to vibrations.
cannot travel through liquids.
can travel in a vacuum.
- 2. Multiple Choice
Sound waves are
transverse waves.
longitudinal waves
circular waves.
polarized waves.
- 3. Multiple Choice
The crest is in position
A
B
C
D
- 4. Multiple Choice
The trough is in position
A
B
C
D
- 5. Multiple Choice
Amplitude is measured at position
1
2
3
4
- 6. Multiple Choice
Wavelength is measured at position
1
2
3
4
- 7. Multiple Choice
The ____________________ is the number of vibrations that occur in a 1-second time interval.
amplitude
frequency
period
- 8. Multiple Choice
A wave that causes the particles of the medium to vibrate perpendicularly to the direction the wave travels is called a(n) ____________________.
transverse wave
longitudinal wave
circular wave
heat wave
- 9. Multiple Choice
A sound wave that is 0.66 meters long and has a frequency of 520 Hz moves with a speed of ___________. (speed = frequency x wavelength )
250 m/s
434 m/s
343 m/s
460 m/s
- 10. Multiple Choice
A sound wave that is 1.2 meters long and has a frequency of 284 Hz moves with a speed of ___________. (v = f λ )
343 m/s
434 m/s
520 m/s
280 m/s
- 11. Multiple Choice
Sound travels fastest in
solids
liquids
gases
- 12. Multiple Choice
According to the Doppler effect, the dot is
moving to the left.
moving to the right.
not moving.
- 13. Multiple Choice
The area where the waves are closer together represents
higher frequency
lower frequency
the same frequency
- 14. Multiple Choice
Resonance refers to an effect in which the
vibration of one object causes another object to vibrate at natural frequencies.
intensity of a sound decreases over time
pitch of a note is compared to a pure tone.
- 15. Multiple Choice
Sound waves are produced by
radio stations.
vibrating objects.
soft objects.
objects under pressure.
- 16. Multiple Choice
Sound waves cannot travel in
steel.
air.
a vacuum.
water.
- 17. Multiple Choice
The speed of a sound wave depends on
the air temperature.
its frequency.
its wavelength.
its amplitude
- 18. Multiple Choice
The source of all wave motion is a
region of variable high and low pressure.
vibration.
movement of matter.
harmonic object.
- 19. Multiple Choice
The Hertz is a
special radio wave.
unit of wavelength.
unit of frequency.
- 20. Multiple Choice
The Doppler effect is the change in observed frequency due to
the type of medium the wave is in.
the motion of the source or observer.
the original frequency of the source.
- 21. Multiple Choice
A sound wave that has a higher frequency has a wavelength that is
shorter
longer
- 22. Multiple Choice
The distance between successive identical parts of a wave is called its
frequency.
amplitude.
wavelength.
- 23. Multiple Choice
The police car is moving toward
Person L
Person R
- 24. Multiple Choice
Person L would hear the siren
as a lower pitch or lower frequency than Person R.
as a higher pitch or higher frequency than Person R.
at the same pitch or same frequency as Person R.
- 25. Multiple Choice
The ambulance is
moving to the left.
moving to the right.
not moving.
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