| 1 |
Second pendulum has a time period |
- A. 1 sec
- B. 3 sec
- C. 2 sec
- D. 4 sec
|
| 2 |
The mathematical expression for the restoring force is. |
- A. F = kx
- B. F = ma
- C. F = dp/dt
- D. F = -kx
|
| 3 |
The frequency of 2nd pendulum is |
- A. 0.5 Hz
- B. 1 Hz
- C. 1.5 Hz
- D. 2 Hz
|
| 4 |
The frequency of waves produced in microwave oven is |
- A. 1435 Hz
- B. 2450 MHz
- C. 1860 MHz
- D. 2850 Hz
|
| 5 |
A spring of spring constant 10 N/m after loading that amplitude is 2m. Then the maximum P.E. is |
- A. 10 J
- B. 20 J
- C. 30 J
- D. 40 J
|
| 6 |
One complete round trip of a vibrating body is called. |
- A. Frequency
- B. Time period
- C. Vibration
- D. Amplitude
|
| 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
|
| 8 |
In S.H.M, the acceleration of the body is directly proportional to |
- A. Weight of body
- B. Applied force
- C. Amplitude
- D. Displacement
|
| 9 |
|
|
| 10 |
Damping is the process in which energy |
- A. Increases
- B. Remains constant
- C. Dissipates
- D. None of these
|