| 1 |
In 1905, the special theory of relativity was proposed by |
- A. Einstein
- B. Bohr
- C. Maxwell
- D. De Broglie
|
| 2 |
Potassium Cathodes in photocell emit electrons for a light. |
- A. Visible
- B. Infra red
- C. Ultra violet
- D. X rays
|
| 3 |
The special theory of relativity based on. |
- A. One postulate
- B. Two postulates
- C. Three postulates
- D. Four postulates
|
| 4 |
Using relativistic effects the location of an air craft after an hour fight can be predicated about |
- A. 20 m
- B. 50 m
- C. 760 m
- D. 780 m
|
| 5 |
Maximum Compton shift is observed at. |
- A. 30<sup>o</sup>C
- B. 90<sup>o</sup>C
- C. 45<sup>o</sup>C
- D. 180<sup>o</sup>C
|
| 6 |
Albert Einstein got noble prize in: |
- A. 1926
- B. 1921
- C. 1918
- D. 1931
|
| 7 |
In an nihilation emitted photons moves in opposite directions to conserve. |
- A. Mass
- B. Charge
- C. Energy
- D. Momentum
|
| 8 |
The quantity/factor h/m<sub>o</sub>c has the dimensions of. |
- A. Length
- B. Time
- C. Mass
- D. Energy
|
| 9 |
The principle regarding the dual nature of light was first discovered by |
- A. Heisenberg
- B. Compton
- C. J.J.Thomson
- D. De-Broglie
|
| 10 |
The minimum frequency needed to emit an electron form metal surface is called: |
- A. Work function
- B. Threshold frequency
- C. Quanta frequency
- D. All of above
|
