| 1 |
When hot and cold water are mixed, the entropy. |
- A. Decreases
- B. Increases
- C. Remain constant
- D. Zero
|
| 2 |
One complete round trip of a body is called |
- A. Displacement
- B. Time period
- C. Vibration
- D. Frequency
|
| 3 |
Heat is form of. |
- A. Power
- B. Momentum
- C. Energy
- D. Torque
|
| 4 |
If 332 waves pass through a medium in 1 second with speed of 332 ms-1 then wavelength will be |
- A. 7 m
- B. 332 m
- C. 664 m
- D. 1 m
|
| 5 |
The unit of energy is same as that of |
- A. Power
- B. Work
- C. Torque
- D. Density
|
| 6 |
The speed of sound in ari at 0 <sup>o</sup>C is 332 ms-1, Then the speed at 40 <sup>o</sup>C will be |
- A. 372 ms-1
- B. 356 ms-1
- C. 346 ms-1
- D. 332 ms-1
|
| 7 |
The horizontal range of a projectile of 30<sup>o</sup>with horizontal is same at an angle. |
- A. 40<sup>o</sup>
- B. 45<sup>o</sup>
- C. 90<sup>o</sup>
- D. 60<sup>o</sup>
|
| 8 |
A spring has a spring constant k. If it is cut in two equal parts, the spring constant of each part will be |
|
| 9 |
International Telecommunication satellite |
- A. 4,6,8 and 10 Hz
- B. 4,6,11 and 14 GHz
- C. 4,6,8 and 12 Hz
- D. 4,8,11 and 16 GHz
|
| 10 |
A vector is denoted by |
- A. Light face
- B. Bold face
- C. Both a and b
- D. None of these
|