| 1 |
Wave nature of particle was given by: |
- A. Clemensen
- B. Louis de Broglie
- C. Laster H. Germer
- D. Clinton S. Davisson
|
| 2 |
The uncertainty principle was given by |
- A. De-Broglie
- B. Heisenberg
- C. Einstein
- D. Max Planck
|
| 3 |
Which one of the following physical quantities change with relativistic speed? |
- A. Length
- B. Time
- C. Mass
- D. All of above
|
| 4 |
When platinum is it becomes orange at |
- A. 500<sup>o</sup>C
- B. 900<sup>o</sup>C
- C. 1100<sup>o</sup>C
- D. 1300<sup>o</sup>C
|
| 5 |
All motions are |
- A. Absolute
- B. Uniform
- C. Relative
- D. Variable
|
| 6 |
The wavelength associated with the protons moving at speed of 40 m/s is. |
- A. 7.20 nm
- B. 9.02
- C. 15.7 nm
- D. 17.3 nm
|
| 7 |
Internal frame is a frame is which |
- A. 1st law holds
- B. 2nd law holds
- C. 3rd law holds
- D. Kelvin's law holds
|
| 8 |
The Compton effect is associated with |
- A. X-rays
- B. y-rays
- C. Positive rays
- D. ß-rays
|
| 9 |
The most refined form of matter is: |
- A. Smoke
- B. Light
- C. Ice
- D. Fog
|
| 10 |
Photo electrons are emitted y using visible light when the metal is. |
- A. sodium
- B. Copper
- C. Nicked
- D. Cobalt
|