| 1 |
Gamma rays from cobalt -60 are used for treatment of. |
- A. Circulation of blood
- B. Cancer
- C. Heart Attack
- D. Thyroid glands
|
| 2 |
The most useful tracer is. |
- A. Strontium -90
- B. Iodine -31
- C. Cobalt -60
- D. Carbon -14
|
| 3 |
Mass of meason is |
- A. Greater then proton
- B. Less than proton
- C. Equal to proton
- D. Equal to neutron
|
| 4 |
A device that shows the visible path of ionizing particle is called. |
- A. GM counter
- B. Solid state detector
- C. Scalar
- D. Wilson cloud chamber
|
| 5 |
Controlling rods inserted into the reactor are of metal: |
- A. Aluminium
- B. Cadmium
- C. Magnesium
- D. Copper
|
| 6 |
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
|
| 7 |
The binding energy for_________ is maximum. |
- A. Copper
- B. Glass
- C. Iron
- D. Aluminum
|
| 8 |
Circulation of blood is studied by radio isotope. |
- A. Cobalt -60
- B. Phosphorus -32
- C. Sodium -24
- D. Iodine -131
|
| 9 |
When nitrogen is bombarded by alpha particles nitrogen nucleus changes into |
- A. Oxygen
- B. Carbon
- C. Barium
- D. Helium
|
| 10 |
When a nucleus emits an alpha particle, its atomic mass decreases by |
|