| 1 |
The motion of a simple pendulum is the example of |
- A. Vibratory motion
- B. Rotatory motion
- C. Periodic motion
- D. Both a and c
|
| 2 |
The time period of an oscillating mass spring system is 10 second. If mass attached to spring id doubled then time period becomes. |
- A. 10 sec
- B. 20 sec
- C. 5 sec
- D. None of these
|
| 3 |
Turning of radio is example of. |
- A. Mechanical resonance
- B. Electrical resonance
- C. Physical resonance
- D. Biological resonance
|
| 4 |
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
|
| 5 |
Oscillation of shock absorber of a car is practical example of. |
- A. simple harmonic motion
- B. Forced oscillation
- C. Damped oscillation
- D. Undamped oscillation
|
| 6 |
A quantity which indicates the state and direction of a vibrating body is known as |
- A. Time period
- B. Amplitude
- C. Phase
- D. Frequency
|
| 7 |
The mathematical expression for the restoring force is. |
- A. F = kx
- B. F = ma
- C. F = dp/dt
- D. F = -kx
|
| 8 |
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| 9 |
When a body is vibrating its displacement from mean position |
- A. Remains constant
- B. Changes with time
- C. Become(-)ve
- D. None of these
|
| 10 |
If the time period of simple pendulum is 2 seconds its frequency will be. |
- A. 1 Hz
- B. 0.5 Hz
- C. 1.5 Hz
- D. 2 Hz
|
