TRB MODEL QUESTIONS FOR PHYSICS
| 61. |
Atom bomb is based on |
| |
- A. Nuclear fission
- B. Nuclear fusion
- C. Chemical reaction
- D. Artificial radioactivity
|
| 62. |
An aneroid barometer uses |
| |
- A. alcohol
- B. mercury
- C. distilled water
- D. does not use any liquid
|
| 63. |
The difference between musical sound noise is due to |
| |
- A. pitch
- B. intensity
- C. wavelength
- D. musical instrument
|
| 64. |
Which of the following would be most powerful electro magnet? |
| |
- A. steel
- B. copper
- C. air
- D. soft iron
|
| 65. |
The flying of birds is a consequence of Newton’s |
| |
- A. First Law
- B. Second Law
- C. Third Law of Motion
- D. Both Second and Third laws
|
