Prevention of Radioactive Pollution

Q.

What type of shielding is normally used to protect against X-rays?

Q. Radioactive pollution can be minimised by

1. Underground testing of nuclear weapons
2. Minimising radioactive leakage from nuclear reactors
3. Geologic disposal of radioactive waste
4. All of these

Q. Which of the following methods can be used to prevent radioactive pollution

1. Alternate source of energy
2. All of the above
3. Nuclear disarmament
4. Safe storage of radioactive material

Q.

The types of radiations are

1. Alpha

2. Beta

3. Gamma

4. All the above

Q. Which of the following materials can block radiation?

1. Lead
2. Steel
3. Concrete
4. All of the above