TRB Physics Questions and Answers
| 1. |
Kepler's first law of planetary motion is also called |
| |
- A. Law of orbits
- B. Law of distances
- C. Law of areas
- D. Law of periods
|
| 2. |
The speed at which light travels in vacuum is |
| |
- A. 3 x 10 8 ms-1
- B. 3 x 10 18 ms-1
- C. 3 x 10 4 ms-1
- D. 5 x 10 -18 ms-1
|
| 3. |
The unit of specific heat capacity is |
| |
- A. J K -1
- B. J kg -1
- C. kg -1 K -1
- D. J kg -1 K -1
|
| 4. |
Sound is a |
| |
- A. Longitudinal mechanical wave
- B. Longitudinal non mechanical wave
- C. Transverse non mechanical wave
- D. Transverse mechanical wave
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