Physics Questions and Answers
| 161. |
The period of oscillation of a simple pendulum |
| |
- A. is independent of length
- B. increases with length
- C. decreases with length
- D. increases with amplitude
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| 162. |
Earthquake is measured using |
| |
- A. Barometer
- B. Laser rays
- C. Altimeter
- D. Seismograph
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| 163. |
X–rays carry |
| |
- A. no charge
- B. two positive charges
- C. unit positive charge
- D. unit negative charge
|
| 164. |
One of the following is used for satellite communication? |
| |
- A. light waves
- B. microwaves
- C. radio waves
- D. all of these
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