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