Physics Questions and Answers
| 109. |
Boyle’s law states the relationship between |
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- A. pressure and temperature
- B. pressure and volume
- C. volume and temperature
- D. pressure and density
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| 110. |
A device used for measuring the depth of the sea is called |
| |
- A. Hydrometer
- B. Manometer
- C. Altimeter
- D. Fathometer
|
| 111. |
The source of sun’s radium energy is |
| |
- A. Nuclear fission
- B. Magnetic traps
- C. Cosmic radiations
- D. Nuclear fusion
|
| 112. |
A periscope works by the principle of |
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- A. diffraction
- B. refraction only
- C. reflection and interference
- D. reflection and refraction
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