| 1 |
The energy of photon for photoelectric effect is less than |
- A. 1 MeV
- B. 2 MeV
- C. 5 MeV
- D. 8 MeV
|
| 2 |
Cobalt -60 is the source for |
- A. Alpha rays
- B. Gama rays
- C. Beta rays
- D. Neutron
|
| 3 |
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
|
| 4 |
The charge of an alpha particle is equal to |
|
| 5 |
The place for soring the nuclear waste is |
- A. Ocean
- B. Damping in earth
- C. Damping in desert
- D. Bottom of old salt mines
|
| 6 |
Iodine -131 is used for the treatment by |
- A. Bones
- B. Eyes
- C. thyroid glands
- D. Lungs
|
| 7 |
X -rays are similar in nature to. |
- A. Gama rays
- B. Beta rays
- C. Alpha rays
- D. Cathode rays
|
| 8 |
By emitting Beta particle and gama particle simultaneously the nucleolus changes in its charges by |
- A. N
- B. N/2
- C. N/4
- D. 3N/4
|
| 9 |
1 gray is equal to. |
- A. 1 JKg-1
- B. 1KgJ-1
- C. 1JKg
- D. 1 JKg-2
|
| 10 |
A proton consists of quarks which are. |
- A. Two up, one down
- B. One up, two down
- C. All up
- D. All down
|