| 1 |
The error in a certain measurement occurs due to |
- A. Negligence of a person
- B. In appropriate technique
- C. Faulty Appraatus
- D. All of rhe above
|
| 2 |
If focal length of objective and eye piece is 0.5 m and 10 cm respectively then magnifying power of telescope will be. |
|
| 3 |
Damping is the process in which energy |
- A. Increases
- B. Remains constant
- C. Dissipates
- D. None of these
|
| 4 |
If the are of a circle equals its radius, then the angle subtended at the center will be |
- A. 1 degree
- B. One rotation
- C. One radian
- D. Half rotation
|
| 5 |
Which of the following is mechanical wave |
- A. Heat
- B. Light
- C. Sound
- D. None of these
|
| 6 |
In reversible process the entropy of system. |
- A. Remain constant
- B. Decrease
- C. Increase
- D. Becomes zero
|
| 7 |
Which of the following is a set of supplementary units |
- A. Radian and kilogram
- B. Radian and Steradian
- C. Steradian and time
- D. Mole and radian
|
| 8 |
Turning of radio is example of. |
- A. Mechanical resonance
- B. Electrical resonance
- C. Physical resonance
- D. Biological resonance
|
| 9 |
The weight of an object an elevator moving down with an acceleration of 9.8 m/s2 will becomes |
- A. Half
- B. Double
- C. Unchanged
- D. Zero
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| 10 |
The dimensional unit of impulse is. |
- A. [MLT]
- B. [MLT-1]
- C. [ML-1T-1]
- D. [M-1L-1T-1]
|