| 1 |
Light waves are |
- A. Longtail waves
- B. Transvers waves
- C. Stationary waves
- D. Mechanical wave
|
| 2 |
If the object is at 5 cm from the lens of simple microscope than its magnifying power will be. |
|
| 3 |
the velocity of sound at 0 <sup>o</sup>C is 332 ms-1, the velocity of sound at 10 <sup>o</sup>C will be |
- A. 337.1 ms-1
- B. 338.1 ,ms-1
- C. 342.1 ms-1
- D. 328.1 ms-1
|
| 4 |
A constant temperature, if pressure of a given mass of gas is halved, then its volume becomes. |
- A. Halve
- B. Doubled
- C. Four time
- D. Constant
|
| 5 |
The dimensions of work are |
- A. MLT<sup>-1</sup>
- B. MLT<sup>-2</sup>
- C. ML<sup>2</sup>T<sup>-2</sup>
- D. ML<sup>-1</sup>T<sup>-1</sup>
|
| 6 |
Which one is true for isothermal process. |
- A. Q = 0
- B. W = 0
- C. Q = W(D) Delta U = 0
- D. None of these
|
| 7 |
The velocity of a free falling body just before Hattin the ground is 9.8 ms-1, the height through which is fall be |
- A. 98 m
- B. 19.6 m
- C. 4.9 m
- D. 9.8 m
|
| 8 |
The waves used in radar speed trap are |
- A. <u>Longitudinal</u>
- B. Sound wave
- C. Micro waves
- D. Matter waves
|
| 9 |
The to and fro motion of a body is called |
- A. Linear motion
- B. Rotational motion
- C. Vibratory motion
- D. None of these
|
| 10 |
Substances that don't flow easily has |
- A. Large co-efficient of viscosity
- B. Small co-efficient of viscosity
- C. Medium co-efficient of viscosity
- D. Zero-coefficient of viscosity
|
