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WorksheetsUnit 13 Review: Harmonic Motion and Waves
Total questions: 56
Worksheet time: 54mins
What is the unit for frequency?
seconds
hertz
lambda
nu
When two waves have the same wavelength but begin at different times are said ___________.
to be in phase.
to be out of phase.
to have the same amplitude.
to have the same cycle.
The ____________________ states that two or more waves that overlap combine by summing their
displacements algebraically.
superposition principle
wave interference
destructive interference
constructive interference
The period of a simple harmonic oscillator is the time it takes for one complete cycle of oscillation to be completed.
True
False
What is the frequency of a merry-go-round that goes around 8 times a second?
50.24 Hz
0.125 Hz
0.12 Hz
8 Hz
What is the wavelength of a high C note which has a frequency of 261.6 Hz? The speed of sound is 343 m/s.
1.3 m
87.7 km
0.76 m
1.15 m
__________ •occurs when an oscillating system is provided a periodic force (energy at just the right time) to match the natural frequency of the system displacement.
Resonance
Forced oscillation
Recalcitrance
Natural oscillation
The wave that strikes the boundary is called the _____________________
incident wave
reflected wave
refracted wave
internal wave
The units for wavelength are
Hertz
meters
seconds
None of the above
The units for wave speed are
Hertz
meters
seconds
meters per second
The distance from crest to crest on a wave is known as
frequency
amplitude
wavelength
wave speed
The number of cycles per second is known as
wavelength
frequency
period
wave speed
When the frequency of a wave is increased, the wavelength will
stay the same
increase
decrease
none of the above
If the frequency of a wave is 3 Hz and the wavelength is 6 meters, the wave speed will be
2 m/s
0.5 m/s
18 m/s
none of the above
The period of a pendulum depends on
the mass of the pendulum
the length of the pendulum
both the mass and the length of the pendulum
none of the above
Damping effects which part of a wave?
wavelength
frequency
amplitude
wave speed
A transverse wave has a speed of 8 m/s and a frequency of 2 Hz. The wavelength of this wave is
16 m
0.25 m
4 m
4 Hz
If the wavelength of a wave is 2 m and the frequency is 6 Hz, what is the wave speed?
3 m/s
0.3 m/s
12 m/s
none of the above
Harmonic motion is motion that
repeats itself over and over
goes in a straight line
goes in a circle
none of the above
A simple harmonic oscillator takes 4.8 s to undergo five complete vibrations. What is the frequency of 1cycle?
1.04 Hz
4.8 Hz
1/4.8 Hz
The highest point on a transverse wave is the
compression
crest
rest position
trough
The lowest point on a transverse wave is the
compression
crest
rest position
trough
#1 refers to the
wavelength
amplitude
crest
trough
#2 refers to the
wavelength
amplitude
crest
trough
#3 refers to the
wavelength
amplitude
crest
trough
#4 refers to the
wavelength
amplitude
crest
trough
What is the definition reflection?
The bending of waves as they enter a new medium
Bouncing back of waves from a surface that it can’t pass through
The bending of waves as they pass through openings or around corners
When two interfering waves have a displacement in the same direction, two crests and two troughs overlap. Increased amplitude.
What is the definition of Refraction?
The bending of waves as they enter a new medium
When two interfering waves have a displacement in the opposite direction, crest and trough overlap. Zero amplitude.
When two interfering waves have a displacement in the same direction, two crests and two troughs overlap. Increased amplitude.
If the man throws the spear at the image, then he will miss the fish. This is because the water bends the light. What is this an example of?
Reflection
Refraction
Diffraction
What are echos an example of?
Reflection
Refraction
Diffraction
Look at the picture. What property allows Jack to hear Jill on the other side of the door?
Reflection
Refraction
Diffraction
The picture shows a prism. What property of waves causes the light to look like a rainbow as it exits the prism?
Reflection
Refraction
Diffraction
What is the equation for period?
t = f/n
t = 1/f
t= 2 f
How many cycles are shown here?
1
3
6
