| 1 |
A quantity which indicates the state and direction of a vibrating body is known as |
- A. Time period
- B. Amplitude
- C. Phase
- D. Frequency
|
| 2 |
Angular frequency is the characteristic of |
- A. Linear motion
- B. Vibratory motion
- C. Circular motion
- D. All of these
|
| 3 |
The produce oscillation, body is pulled away from its |
- A. Mean position
- B. Extreme position
- C. Both a and b
- D. None of these
|
| 4 |
One complete round trip of a vibrating body is called. |
- A. Frequency
- B. Time period
- C. Vibration
- D. Amplitude
|
| 5 |
When a body is vibrating its displacement from mean position |
- A. Remains constant
- B. Changes with time
- C. Become(-)ve
- D. None of these
|
| 6 |
The mathematical expression for the restoring force is. |
- A. F = kx
- B. F = ma
- C. F = dp/dt
- D. F = -kx
|
| 7 |
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
|
| 8 |
The wavelength of wave produced by microwave oven is. |
- A. 12 cm
- B. 12 m
- C. 18 m
- D. 18 cm
|
| 9 |
Damping is the process in which energy |
- A. Increases
- B. Remains constant
- C. Dissipates
- D. None of these
|
| 10 |
A swing is good example of |
- A. Resonance
- B. Vibration
- C. Time period
- D. Oscillation
|