WorksheetsWave Motion Quiz
Total questions: 43
Worksheet time: 27mins
The time needed for a wave to make one complete cycle is its
frequency.
velocity.
amplitude.
period.
wavelength.
The source of all wave motion is a
region of variable high and low pressure.
vibration.
movement of matter.
harmonic object.
Which letter in the graph above represents the amplitude?
A
B
C
D
Which letter in the graph above represents the wavelength?
A
B
C
D
Which of the following is NOT an example of harmonic motion?
A swinging pendulum
A bouncing spring.
A bouncing ball.
A mass attached to a spring vibrates back and forth. At maximum displacement, both the spring force and the
velocity reach a maximum.
velocity reach zero.
acceleration reach a maximum.
acceleration reach zero.
If a force of 50 N stretches a spring 0.10 m, what is the spring constant?
5 N/m
500 N/m
.1 N/m
5000 N/m
How much displacement will a coil spring with a spring constant of 120 N/m achieve if it is stretched by a 60 N force?
0.5 m
2 m
0.2 m
5 m
Which factor listed below has the greatest effect on the period of a pendulum?
Mass of the pendulum
Length of the string
Amplitude of the oscillations
The amplitude of a particular wave is 4.0 m. The top-to-bottom distance of the disturbance is
2.0 m
4.0 m
8.0 m
none of the above
What is the period of a 4.12 m long pendulum?
2.01 s
3.11 s
4.07 s
9.69 s
If the length of a pendulum increases, the period of the pendulum:
increases
decreases
stays the same.
The angle between the string of a pendulum at its equilibrium position and at its maximum displacement is its
period.
vibration.
frequency.
amplitude.
The Hertz is a
special radio wave.
type of car.
unit of period.
unit of wavelength.
unit of frequency.
The period of an ocean wave is 10 seconds. What is the wave’s frequency?
0.10 Hz
5.0 Hz
10.0 Hz
20.0 Hz
30.0 Hz
Which of the following is the region of a longitudinal wave in which the density and pressure are greater than normal?
rarefaction
compression
spherical wave
Doppler effect
Use the above graphic to answer the following question: Which of the harmonics of the standing wave above is only one wavelength long?
A
B
C
D
Use the above graphic to answer the following question: Which of the above harmonics is a third harmonic?
A
B
C
D
Use the above graphic to answer the following question: How many nodes does the harmonic labeled “B” have?
1
2
3
4
The wavefronts reach point P as a result of
resonance
refraction
reflection
diffraction
Which diagram best represents the superposition of the two pulses?
A
B
C
D
When two or more waves are at the same place at the same time, the resulting effect is called
a standing wave.
a Doppler wave.
a shock wave.
interference.
a period.
Where can you touch a standing wave on a rope without disturbing the wave?
At a node
At any place along the wave
At an antinode
Noise-canceling earphones are an example of
constructive interference.
destructive interference.
beats.
resonance.
The speed of a sound wave depends on
the medium.
its frequency.
its wavelength.
all of the above
How high or low we perceive a sound to be, depending on the frequency of the sound wave, is defined as the
infrasonic wave.
frequency.
ultrasonic wave.
pitch.
Sound is an example of a
longitudinal wave.
constructive wave.
Doppler wave.
transverse wave.
standing wave.
A musical tone sounded on a piano has a frequency of 410 Hz and a wavelength of 0.80 m. What is the speed of the sound wave?
170 m/s
240 m/s
330 m/s
590 m/s
Which of the following best defines sound as a type of wave?
When a sound source moves towards you, what happens to the wave speed?
It decreases.
It increases.
It stays the same.
Two waves arrive at the same place at the same time, exactly in step with each other. Each wave has an amplitude of 2.5 m. The resulting wave has an amplitude of
0.6 m.
1.3 m.
2.5 m.
5.0 m.
10.0 m.
A singer shattering crystal glass with her voice is a demonstration of
beats.
sound refraction.
an echo.
interference.
resonance.
If the sounding board were left out of a music box, the music box would
not sound at all.
make little "plinks" that you could hardly hear.
sound the same as usual.
The Tacoma Narrows Bridge collapsed due to
resonance.
frequency modulation.
beats.
destructive interference.
A 3.0 m long stretched string is fixed at both ends. If standing waves with a wavelength of two-thirds L are produced on this string, how many nodes will be formed?
0
3
2
4
Two sound sources generate pure tones of 55 Hz and 70 Hz. What is the beat frequency?
5Hz
15Hz
10Hz
25Hz
Two sound sources S₁ and S₂ produce waves with frequencies 100 Hz and 200 Hz. The waves are traveling in the same medium. When we compare the speed of wave 1 to the speed of wave 2 the result is:
Twice as greater
The same
One-half as greater
Four times greater
A wave pulse travels to the right along a thin string. The string is connected to a thick rope. Which of the following is true about the direction of the reflected and transmitted pulses?
What happens with a wave reflects of a fixed end boundary
The reflected wave is inverted
The reflected wave is absorbed
The reflected wave is unchanged
The reflected wave is in the same direction as the incoming pulse
A guitar string resonates at a frequency of 250 Hz, forming a standing wave pattern with 5 loops. What is the fundamental frequency?
25 Hz
50 Hz
100 Hz
500 Hz
In many cartoon shows, a character runs off a cliff, realizes his predicament, and lets out a scream. He continues to scream as he falls. If the physical situation is portrayed correctly, from the vantage point of an observer at the top of the cliff leaning over the edge, the pitch of the scream as he falls should be
higher than the original pitch and constant.
higher than the original pitch and increasing as he falls.
lower than the original pitch and constant.
lower than the original pitch and decreasing as he falls.
It is impossible to predict.
What is the formula for the period of a simple pendulum?
T=2πgL
T=2π1Lg
T=2πLg
T=gL
The period of a 2 kg mass oscillating at the end of a spring with spring constant 3 N/m is
1.5 s
3.0 s
5.1 s
7.7 s
