| 1 |
Joule second is the unit of. |
- A. Energy
- B. Wein's constant
- C. Planck's constant
- D. Boyle's law
|
| 2 |
The converses of annihilation of matter is: |
- A. Photoelectric effect
- B. Relativistic effect
- C. Pair production
- D. Compton effect
|
| 3 |
Which is the most refined form of matter. |
- A. Smoke
- B. Fog
- C. Light
- D. Electron
|
| 4 |
By modern system of NAVSTAR, the speed any where on the earth can be determined to accuracy about. |
- A. 20 ms-1
- B. 10 ms-1
- C. 2 cms-1
- D. 2 ms-1
|
| 5 |
The unit of work function is |
- A. Electron volt
- B. Ampere
- C. Volt cell
- D. Hz
|
| 6 |
The physical quantity related to photon, that does not change in Compton scattering is. |
- A. Energy
- B. Speed
- C. Frequency
- D. Wavelength
|
| 7 |
Anti particle of electron is |
- A. Proton
- B. Photon
- C. Neutron
- D. Positron
|
| 8 |
Internal frame is a frame is which |
- A. 1st law holds
- B. 2nd law holds
- C. 3rd law holds
- D. Kelvin's law holds
|
| 9 |
When platinum is heated is become dull red at: |
- A. 900°C
- B. 500°C
- C. 800°C
- D. 1100°C
|
| 10 |
De-Broglie waves are associated with |
- A. Moving charged particles only
- B. Moving neutral particles only
- C. All moving particles
- D. All parties whether in motion or at rest
|