| 1 |
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| 2 |
P.E. of a spring is stored in |
- A. Spring
- B. mass
- C. Both of them
- D. None of these
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| 3 |
A quantity which indicates the state and direction of a vibrating body is known as |
- A. Time period
- B. Amplitude
- C. Phase
- D. Frequency
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| 4 |
When a body is vibrating its displacement from mean position |
- A. Remains constant
- B. Changes with time
- C. Become(-)ve
- D. None of these
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| 5 |
The mathematical expression for the restoring force is. |
- A. F = kx
- B. F = ma
- C. F = dp/dt
- D. F = -kx
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| 6 |
Oscillation of shock absorber of a car is practical example of. |
- A. simple harmonic motion
- B. Forced oscillation
- C. Damped oscillation
- D. Undamped oscillation
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| 7 |
The velocity of a particle having SHM is 'v' at means position. If its amplitude is doubled them velocity at mean position will be |
- A. v/2
- B. v
- C. <div>2v</div>
- D. 4 v
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| 8 |
The amplitude of a vibrating body at resonance in vacuum is |
- A. Minimum
- B. Maximum
- C. Zero
- D. Infinite
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| 9 |
One complete round trip of a vibrating body is called. |
- A. Frequency
- B. Time period
- C. Vibration
- D. Amplitude
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| 10 |
The motion of a simple pendulum is the example of |
- A. Vibratory motion
- B. Rotatory motion
- C. Periodic motion
- D. Both a and c
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