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Vibrations And Waves
Test Description: Physics
Instructions: Answer all questions to get your test result.
1) Which of the following is not an example of approximate simple harmonic motion?
A
a piano wire that has been struck
B
a car's radio antenna waving back and forth
C
a child swinging on a swing
D
a ball bouncing on the floor
2) Vibration of an object about an equilibrium point is called simple harmonic motion when the restoring force is proportional to
A
mass
B
time
C
displacement
D
a spring constant
3) Each compression on a longitudinal wave corresponds to what point on a transverse wave?
A
amplitude
B
troughs
C
wavelength
D
crests
4) Each rarefaction on a longitudinal wave corresponds to what point on a transverse wave?
A
wavelength
B
crests
C
amplitude
D
troughs
5) A wave travels through a medium. As the wave passes, the particles of the medium vibrate in a direction perpendicular to the direction of the wave's motion. Teh wave is
A
transverse
B
longitudinal
C
electromagnetic
D
a pulse
6) ________________________ is defined as the superposition of two or more waves in which individual displacements on the same side of the equilibrium position and make a bigger wave.
A
amplitude
B
constructive interference
C
crest
D
destructive interference
7) ______________ is the physical environment through which a wave can travel.
A
medium
B
node
C
period
D
crest
8) The time that it takes a complete cycle to occur is known as
A
simple harmonic motion
B
wavelength
C
period
D
standing wave
9) _________________ is the number of cycles or vibrations per unit of time.
A
wavelength
B
antinode
C
frequency
D
amplitude
10) A wave will travel only as long as it has ____________ to carry.
A
amplitude
B
mass
C
matter
D
energy
*select an answer for all questions
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