Prevention of Radioactive Pollution

Q.

What materials can block radiation?

Q.

State one industrial use of $\mathrm{\alpha },\mathrm{\beta },\mathrm{and}\mathrm{\gamma }$ radiation.

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 materials can block radiation?

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

Q. Which of the following processes forms chemical potential energy from electromagnetic energy?

1. Respiration
2. Photosynthesis
3. Decomposition
4. Nitrogen fixation
5. Fermentation

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

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