| 1 |
X -rays are similar in nature to. |
- A. Gama rays
- B. Beta rays
- C. Alpha rays
- D. Cathode rays
|
| 2 |
Low level radiations effects |
- A. Less of hair
- B. Ulceration
- C. Drop of white blood cells
- D. All
|
| 3 |
1 amu is equal to |
- A. 1.0606 x 10<sup>-27</sup> kg
- B. 1.66 x 10<sup>-31</sup> kg
- C. 1.66 x 10<sup>-34</sup> kg
- D. 1.66 x 10<sup>-19</sup> kg
|
| 4 |
Subatomic particles are divided into groups. |
- A. Photon
- B. Laptons
- C. Hadrons
- D. All of these
|
| 5 |
The energy equivalent of 1 kg of matter is about: |
- A. 10<sup>-15</sup> J
- B. 1 J
- C. 10<sup>-12</sup>J
- D. 10<sup>-17</sup>J
|
| 6 |
The particles equal in mass but greater than proton are. |
- A. Mesons
- B. Baryons
- C. Leptons
- D. Hadrons
|
| 7 |
If the following particle have the same energy, which particle has the shortest wave length. |
- A. alpha particle
- B. Neutron
- C. Beta particle
- D. Proton
|
| 8 |
Absorbed Dose 'D' is defined as |
- A. m/E
- B. E/C
- C. C/m
- D. E/m
|
| 9 |
The bnding energy for nucleus A is 7.7 Me V and that for nucleus B is 7.8 MeV. Which nucleus has the larger mass? |
- A. Nucleas A
- B. Nucleus B
- C. Less than nucleus
- D. None of these
|
| 10 |
Cosmic rays consist of |
- A. Protons
- B. High energy photons
- C. Positron
- D. All of above
|