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Physics
9th -
University
*G9-Simple Harmonic Motion and Waves
12 questions
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- 1. Multiple Choice
What is the unit for frequency?
seconds
hertz
lambda
nu
- 2. Multiple Choice
The ____________ of a simple harmonic oscillator is the time it takes for one complete cycle of oscillation to be completed.
cycle
period
frequency
amplitude
- 3. Multiple Choice
The potential energy of a spring is proportional to the square of the displacement from the equilibrium position.
True
False
- 4. Multiple Choice
____________ waves move perpendicularly to the direction the wave propagates.
Transverse
Longitudinal
Sine
Compression
- 5. Multiple Choice
____________ waves move parallel to the direction the wave propagates.
Transverse
Longitudinal
Sine
Compression
- 6. Multiple Choice
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.
- 7. Multiple Choice
The speed of a wave is determined solely by the ________ characteristics which the wave is moving in.
amplitude
medium
period
velocity
- 8. Multiple Choice
The ____________________ states that two or more waves that overlap combine by summing their
displacements algebraically.
superposition principle
wave interference
destructive interference
constructive interference
- 9. Multiple Choice
What is the period of a merry-go-round that goes around 8 times a second?
50.24 Hz
0.125 s
0.125 Hz
8 Hz
- 10. Multiple Choice
A ______ is a disturbance that carries energy through matter or space
wave
phase
frequency
amplitude
- 11. Multiple Choice
The wave that strikes the boundary is called the _____________________
incident wave
reflected wave
refracted wave
internal wave
- 12. Multiple Choice
The points along a sinusoidal wave at which displacement is zero are called a(n) ________.
nodes
antinodes
crests
troughs
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