| 1 |
Bright fringes are also called as |
- A. Minima
- B. Maxima
- C. Wave front
- D. Ray of light
|
| 2 |
Distance covered by a freely falling body is 2 seconds will be |
- A. 9.8 m
- B. 19.6 m
- C. 44.4 m
- D. 49 m
|
| 3 |
The artificial satellites are held in orbits by |
- A. Gravitational force
- B. Electric force
- C. Magnetic force
- D. All of these
|
| 4 |
Critical angle is that incident angle in denser medium for which angle of refraction is. |
- A. 0 <sup>o</sup>
- B. 45 <sup>o</sup>
- C. 90 <sup>o</sup>
- D. 120 <sup>o</sup>
|
| 5 |
The relation between the speed and hoop can be written as |
|
| 6 |
Radar system is an application of. |
- A. Chemical effect
- B. Electric effect
- C. Magnetic effect
- D. Doppler's effect
|
| 7 |
The equations of angular motion hold only in case when the axis of rotation is |
- A. Moving
- B. Fixed
- C. Both a and b
- D. None of these
|
| 8 |
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
|
| 9 |
The space within which gravitational force acts on a body is called |
- A. Electric field
- B. Gravitational field
- C. Magnetic field
- D. Force field
|
| 10 |
The Carnot cycle can be shown by which graph |
- A. P - T graph
- B. P - V Graph
- C. V- T graph
- D. PV -T graph
|