Nuclear Science Quiz 7 (20 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. Nuclear power plants use ..... to create electricity.

Correct Answer: B) Fission.

2. Alternative sources of energy include .....

Correct Answer: D) All of the above.

3. Which process do hydrogen atoms use to make the Sun's energy?

Correct Answer: D) Nuclear fusion.

4. Thermal nuclear reactors using enriched uranium as fuel contains a maximum of ..... percent fissile material i.e. U-235.

Correct Answer: C) 3.

5. The process that creates the energy in a nuclear reaction is called .....

Correct Answer: B) Fission.

6. Time taken by a radioactive substance to decay half is called

Correct Answer: A) Half life.

7. The average life time of all the nuclei

Correct Answer: B) Mean life.

8. The storage method used for radioactive wastes generated from fission nuclear reactors must be designed to last for how long?

Correct Answer: C) Centuries.

9. Which of the following nuclear materials is fissile?

Correct Answer: C) Plutonium-239.

10. Gas cooling as compared to water cooling of nuclear reactors

Correct Answer: D) None of these.

11. Energy from deep within the Earth is called ..... energy.

Correct Answer: D) Geothermal.

12. The Satellite launching centre of Indian Space Research Organization is in

Correct Answer: C) Sriharikota.

13. Negatively charged particles emitted from a nucleus at a high speed are .....

Correct Answer: C) Beta particles.

14. What are the two types of nuclear reactions?

Correct Answer: B) Fusion and fission.

15. Nuclear power plant in Karnataka is located at

Correct Answer: A) Kaiga.

16. Which of the following is NOT true of nuclear fission?

Correct Answer: A) Fission produces pollution that causes cancer.

17. Which of these is used as the fuel in a Nuclear Power station?

Correct Answer: D) Uranium.

18. Critical energy should be ..... the neutron binding energy of the atom in order to initiate a nuclear fission.

Correct Answer: C) More than.

19. Atoms with same number of neutrons, but different number of nucleons are called

Correct Answer: D) Isotones.

20. Below are the factors that need to be considered before using nuclear energy this alternative source of energy, except

Correct Answer: D) The cost to build nuclear power plant is very high.