| 1 |
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
|
| 2 |
The uncertainty principle was given by |
- A. De-Broglie
- B. Heisenberg
- C. Einstein
- D. Max Planck
|
| 3 |
The most refined form of matter is: |
- A. Smoke
- B. Light
- C. Ice
- D. Fog
|
| 4 |
Compton shift is maximum for scattering angle of photon |
- A. 0<sup>o</sup>
- B. 90<sup>o</sup>
- C. 180<sup>o</sup>
- D. 45<sup>o</sup>
|
| 5 |
We can never accurately describes all aspects of sbatomic particles simulatanously. It is correct according to: |
- A. Uncertainity Priciple
- B. De-broglie Theory
- C. Einstin Theory
- D. Photo electric effect
|
| 6 |
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
|
| 7 |
An electron miroscope emplys which to one of the following particles? |
- A. Electron ahve a wave nature
- B. Electrons can be focused by an electric field
- C. Electrons can be focused by a magnetic field
- D. All of the above
|
| 8 |
1 kg mass will be equivalent to energy. |
- A. 9 x 10<sup>8</sup> J
- B. 9 X 10<sup>12</sup> J
- C. 9 X 10<sup>16</sup> J
- D. 9 X 10<sup>19</sup> J
|
| 9 |
Internal frame is a frame is which |
- A. 1st law holds
- B. 2nd law holds
- C. 3rd law holds
- D. Kelvin's law holds
|
| 10 |
Compton effect proves. |
- A. Wave nature of radiation
- B. Wave nature of particle
- C. Dual nature of particle
- D. Particle nature of radiations
|
