Simple Harmonic Motion and Waves
Time taken by a body to complete one vibration is
amplitude
frequency
time period
vibration
time period
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The number of vibrations of a body in one sec is calledA. frequency
B. amplitude
C. time period
D. vibration
A human ear can oscillate back and forth up to
A. 18,000 times per second
B. 200 times per second
C. 20,000 times per second
D. 100 times per second
The force that pulls the mass towards mean position is called
A. Gravitational force
B. Frictional force
C. Torque
D. Restoring force
If the spring is stretched or compressed through a small displacement x from its mean position, then on mass it exerts a
A. strain
B. stress
C. energy
D. force
Heatwaves are
A. electromagnetic
B. mechanical
C. transverse
D. chemical waves
If 160 waves pass through a point of a medium in 40 seconds. Its frequency is
A. 4 Hz
B. 2 Hz
C. 5 Hz
D. 3 Hz
The categories of waves are
A. 3
B. 4
C. 2
D. 5
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