| 1 |
Internal frame is a frame is which |
- A. 1st law holds
- B. 2nd law holds
- C. 3rd law holds
- D. Kelvin's law holds
|
| 2 |
Unit of Stephen's constant is |
- A. W m K<sup>-2</sup>
- B. W m<sup>-2</sup> K<sup>-4</sup>
- C. W m K<sup>-4</sup>
- D. None
|
| 3 |
The unit for Plank's constant is: |
- A. Js<sup>-1</sup>
- B. Jm
- C. Js
- D. Jm<sup>2</sup>
|
| 4 |
The emission of electrons from metal surface when exposed to light is called: |
- A. Compton effect
- B. Pair production
- C. Photoelectric effect
- D. None of above
|
| 5 |
The unit of Plank's constant 'h' is. |
- A. JC
- B. J/C
- C. JS
- D. J/S
|
| 6 |
In Compton effect the photon behaves as a. |
- A. Wave
- B. Particle
- C. Nucleon
- D. Both a and b
|
| 7 |
The concept of direction is purely |
- A. Relative
- B. Absolute
- C. Relative to the motion
- D. None of these
|
| 8 |
The most refined form of matter is: |
- A. Smoke
- B. Light
- C. Ice
- D. Fog
|
| 9 |
The existence of positron was discovered in: |
- A. 1929
- B. 1928
- C. 1931
- D. 1933
|
| 10 |
Energy of Black body radiation depends upon |
- A. Nature of surface of body
- B. Nature of material of body
- C. Shape and size of body
- D. Temperature of the body
|