| 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. |
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| 3 |
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| 4 |
Second pendulum has a time period |
- A. 1 sec
- B. 3 sec
- C. 2 sec
- D. 4 sec
|
| 5 |
Frequency 'f' and time period 'T' are related as |
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| 6 |
The motion of a simple pendulum is the example of |
- A. Vibratory motion
- B. Rotatory motion
- C. Periodic motion
- D. Both a and c
|
| 7 |
When a body is vibrating its displacement from mean position |
- A. Remains constant
- B. Changes with time
- C. Become(-)ve
- D. None of these
|
| 8 |
One complete round trip of a vibrating body is called. |
- A. Frequency
- B. Time period
- C. Vibration
- D. Amplitude
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| 9 |
The frequency of waves produced in microwave oven is |
- A. 1435 Hz
- B. 2450 MHz
- C. 1860 MHz
- D. 2850 Hz
|
| 10 |
the length of simple pendulum of time period 1 second is |
- A. 2 m
- B. 1 m
- C. 0.5
- D. 0.25 m
|
