| 1 |
The wavelength of wave produced by microwave oven is. |
- A. 12 cm
- B. 12 m
- C. 18 m
- D. 18 cm
|
| 2 |
The product of time period and frequency is. |
|
| 3 |
At which place the motion of a simple pendulum will be slowest. |
- A. Karachi
- B. K-2
- C. Murree
- D. Lahore
|
| 4 |
the distance covered during one vibration of an oscillating body in terms of amplitude 'A' is |
|
| 5 |
A swing is good example of |
- A. Resonance
- B. Vibration
- C. Time period
- D. Oscillation
|
| 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 frequency of waves produced in microwave oven is |
- A. 1435 Hz
- B. 2450 MHz
- C. 1860 MHz
- D. 2850 Hz
|
| 9 |
In simple harmonic motion the velocity of a particle is maximum at. |
- A. Extreme position
- B. Mean position
- C. In between extreme and mean position
- D. None of them
|
| 10 |
The frequency of 2nd pendulum is |
- A. 0.5 Hz
- B. 1 Hz
- C. 1.5 Hz
- D. 2 Hz
|