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CP Physics Ch 25 Flashcards | StudBud
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CP Physics Ch 25
CP Physics Ch 25
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A #Physics Quiz for reviewing the #Hewitt Chapter on #Waves and #Vibrations
Flashcards
30 cards
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Practice quiz
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Questions
30
Answers
1
If you double the frequency of a vibrating object, its period
is quartered
halves
doubles
2
As the sound of a car's horn passes and recedes from you, the pitch of the horn seems to
increase
decrease
stay the same
3
A sound wave that has a higher frequency has a wavelength that is
longer
shorter
4
A wave travels an average distance of 6 meters in 3 seconds. What is the wave's velocity?
1 m/s
2 m/s
Less than 0.5 m/s
3 m/s
5
When a sound source moves towards you, what happens to the wave speed?
It stays the same
It decreases
It increases
6
A sonic boom
all of the above
sweeps behind a plane flying faster than the speed of sound.
is produced as a plane breaks through the sound barrier
is produced by subsonic aircraft
7
A wave created by shaking a rope up and down is called a
Doppler wave
transverse wave
longitudinal wave
standing wave
8
You dip your finger into water to make waves. If you dip more frequently, the wavelength
shortens
lengthens
stays the same
9
When two or more waves are at the same place at the same time, the resulting effect is called
a shock wave
interference
a standing wave
a Doppler wave
10
The time needed for a wave to make one complete cycle is its
amplitude
frequency
period
velocity
11
An observer on the ground hears a sonic boom that is created by an airplane flying at a speed
none of the above
greater than the speed of sound
equal to the speed of sound
just below the speed of sound
12
During a single period, the distance traveled by a wave is
one wavelength
one half wavelength
two wavelengths
13
Sound is an example of a
standing wave
longitudinal wave
transverse wave
constructive wave
14
The Hertz is a
unit of period
. special radio wave
type of car rental company
unit of frequency
15
The period of an ocean wave is 10 seconds. What is the wave’s frequency?
5.0 Hz
10.0 Hz
20.0 Hz
0.10 Hz
16
A bug is creating a wave and swimming towards you. The frequency of the waves reaching you is
the same as what the bug created
higher than created by the bug
lower than created by the bug
17
The Doppler effect is the change in observed frequency due to
all of the above
the type of medium the wave is in
the original frequency of the source
the motion of the source or observer
18
Where can you touch a standing wave on a rope without disturbing the wave?
At an antinode
At any place along the wave
At a node
19
A weight on a spring bobs up and down one complete cycle every 4.0 s. Its frequency is
4.0 Hz
None of the above
0.25 Hz
20
An ocean wave has a frequency of 0.07 Hz and a wavelength of 10 m. What is the wave’s speed?
0.07 m/s
0.70 m/s
143 m/s
10.0 m/s
21
Standing waves can be set up
on strings of musical instruments
all of the above
by blowing across the top of a soda bottle
in organ pipes
22
The amplitude of a particular wave is 4.0 m. The top-to-bottom distance of the disturbance is
8.0 m
None of the above
4.0 m
2.0 m
23
Which of the following is NOT a transverse wave?
none of the above
radio wave
light
sound wave
24
A wave has 2 crests and troughs each sec. If it travels 8 m in 4 s, its wavelength is
10 m
20 m
1 m
15 m
25
When a pendulum clock is taken from sea level to the top of a high mountain, it will
gain time
neither lose nor gain time
lose time
26
The source of all wave motion is a
movement of matter
harmonic object
region of variable high and low pressure.
vibration
27
A weight on a spring bobs up and down one complete cycle every 5.00 seconds. Its period is
None of the above
5.00 seconds
0.20 seconds
28
The distance between successive identical parts of a wave is called its
amplitude
frequency
period
wavelength
29
A longitudinal wave lacks which of the following properties?
frequency
A longitudinal wave has all of the above.
wavelength
speed
30
What happens when an airplane is flying faster than the speed of sound?
It becomes very quiet inside the plane
A shock wave is produced
There is no sonic boom
Nobody can hear the plane fly overhead
