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Waves Study Guide 1:  25.1-25.6



Multiple Choice
Identify the choice that best completes the statement or answers the question.
 

 1. 

The source of all wave motion is a
a.
region of variable high and low pressure.
b.
vibration.
c.
movement of matter.
d.
harmonic object.
 

 2. 

The time needed for a wave to make one complete cycle is its
a.
frequency.
b.
velocity.
c.
amplitude.
d.
period.
e.
wavelength.
 

 3. 

The distance between successive identical parts of a wave is called its
a.
frequency.
b.
period.
c.
velocity.
d.
amplitude.
e.
wavelength.
 

 4. 

The Hertz is a
a.
special radio wave.
b.
type of car.
c.
unit of period.
d.
unit of wavelength.
e.
unit of frequency.
 

 5. 

A wave created by shaking a rope up and down is called a
a.
Doppler wave.
b.
standing wave.
c.
longitudinal wave.
d.
constructive wave.
e.
transverse wave.
 

 6. 

Which of the following is NOT a transverse wave?
a.
light.
b.
radio wave.
c.
sound.
d.
all of the above.
e.
none of the above
 

 7. 

Sound is an example of a
a.
longitudinal wave.
b.
constructive wave.
c.
Doppler wave.
d.
transverse wave.
e.
standing wave.
 

 8. 

If you double the frequency of a vibrating object, its period
a.
halves.
b.
is quartered.
c.
doubles.
 

 9. 

You dip your finger repeatedly into water and make waves. If you dip your finger more frequently, the wavelength of the waves
a.
lengthens.
b.
stays the same.
c.
shortens.
 

 10. 

During a single period, the distance traveled by a wave is
a.
two wavelengths.
b.
one wavelength.
c.
one half wavelength.
 

 11. 

The period of an ocean wave is 10 seconds. What is the wave’s frequency?
a.
0.10 Hz
b.
5.0 Hz
c.
10.0 Hz
d.
20.0 Hz
e.
30.0 Hz
 

 12. 

A certain ocean wave has a frequency of 0.07 hertz and a wavelength of 10 meters. What is the wave’s speed?
a.
0.07 m/s
b.
0.70 m/s
c.
1.0 m/s
d.
10 m/s
e.
143 m/s
 

 13. 

A weight on the end of a spring bobs up and down one complete cycle every 4.0 seconds. Its frequency is
a.
0.25 hertz.
b.
4.0 hertz.
c.
none of the above.
 

 14. 

A leaf on a pond oscillates up and down two complete cycles each second as a water wave passes. What is the wave's frequency?
a.
0.5 hertz
b.
1 hertz
c.
2 hertz
d.
3 hertz
e.
6 hertz
 

 15. 

A cork floating in a pool oscillates up and down three complete cycles in 1 second as a wave passes by. The wave's wavelength is 2 meters. What is the wave's speed?
a.
1 m/s
b.
2 m/s
c.
6 m/s
d.
12 m/s
e.
More than 12 m/s
 

 16. 

A wave travels an average distance of 6 meters in 3 seconds. What is the wave's velocity?
a.
Less than 0.5 m/s
b.
3 m/s
c.
1 m/s
d.
2 m/s
e.
More than 2 m/s
 

 17. 

A skipper on a boat notices wave crests passing the anchor chain every 6.0 seconds. The skipper estimates the distance between crests at 30.0 m. What is the speed of the water waves?
a.
5.0 m/s
b.
6.0 m/s
c.
30.0 m/s
d.
not enough information given
 

True/False
Indicate whether the statement is true or false.
 

 18. 

The time for a complete to and fro swing of a pendulum is its frequency.
 

 19. 

The amplitude of a wave is the vertical distance from the midpoint to either the crest or the trough of the wave.
 

 20. 

The distance between successive identical parts of a wave is its displacement.
 

 21. 

The number of times a wave vibrates each second is its period.
 

 22. 

A wave on a rope whose motion is at perpendicular to the direction of wave propagation is a longitudinal wave.
 

 23. 

Sound waves are examples of longitudinal waves.
 

 24. 

The unit of the period of a wave is the hertz.
 

 25. 

A wave on a rope whose motion is at parallel to the direction of wave propagation is a transverse wave.
 



 
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