| 1 |
Which of the following are not hadrons. |
- A. Muons
- B. Mesons
- C. Positrons
- D. Neutrons
|
| 2 |
Subatomic particles are divided into groups. |
- A. Photon
- B. Laptons
- C. Hadrons
- D. All of these
|
| 3 |
Low level radiations effects |
- A. Less of hair
- B. Ulceration
- C. Drop of white blood cells
- D. All
|
| 4 |
The force which is responsible for the breaking up of the radioactive element is. |
- A. Weak nuclear force
- B. Strong nuclear force
- C. Electromagnetic force
- D. Gravitational force
|
| 5 |
In Wilson cloud chamber, if tracks are thick, straight and continuous, then particle is |
- A. a-particles
- B. ß-particles
- C. Y-rays
- D. All
|
| 6 |
How many times, the alpha particle is more massive than electrons. |
- A. 6332
- B. 7332
- C. 8332
- D. 9332
|
| 7 |
Half life of radon gas is |
- A. 3.8 minutes
- B. 3.8 days
- C. 3.8 months
- D. 3.8 years
|
| 8 |
Which one of the following is not affected by electric or magnetic field. |
- A. Beta rays
- B. Gama ryas
- C. Alpha rays
- D. Electron
|
| 9 |
Which pair belongs to hadrons. |
- A. Protons and Neutrons
- B. Neutrons and electrons
- C. Photons and electrons
- D. positrons and electrons
|
| 10 |
The number of neutrons in Li are |
|