1 |
The mechanism of transports energy of all the waves is |
- A. Different
- B. Same
- C. Complicated
- D. Easy
|
2 |
The motion of gas molecules is |
- A. In the same direction
- B. Random
- C. Walls of container
- D. Opposite to each other
|
3 |
Half wavelength corresponds to |
- A. 0 <sup>o</sup>
- B. 90 <sup>o</sup>
- C. 180 <sup>o</sup>
- D. 360 <sup>o</sup>
|
4 |
The maximum velocity necessary to put a satellite into orbit is |
- A. 7.1 kms-1
- B. 7.3 kms-1
- C. 7.9 kms-1
- D. 8,9 kms-1
|
5 |
Moment of inertia is measure din |
- A. Kg m2
- B. Kg m-2
- C. Rad s-1
- D. Joule second
|
6 |
The K.E. of bullet of mass 500 gm moving at a speed of 200 ms-1 |
- A. 250 J
- B. 125 J
- C. 2500 J
- D. 10,000 J
|
7 |
If the object is at 5 cm from the lens of simple microscope than its magnifying power will be. |
|
8 |
The time period of an oscillating mass spring system is 10 second. If mass attached to spring id doubled then time period becomes. |
- A. 10 sec
- B. 20 sec
- C. 5 sec
- D. None of these
|
9 |
The difference between two molar capacities is equal to. |
- A. Plank's constant
- B. General gas constant
- C. Molar gas constant
- D. Boltzmann constant
|
10 |
The frictional force is |
- A. Conservative force
- B. Non conservative force
- C. Electric force
- D. Magnetic force
|