Nuclear Structure – Online MCQs – Physics 10th

1. Radioactive materials should be handled carefully. Which safety measure does not reduce the risk of using radioactive material?

2. When atoms lose or gain electrons, they become:

3. In each nuclear fission, a few neutrons are emitted. These neutrons can trigger further nuclei to undergo self-sustained fission reaction that is known as:

4. During nuclear fusion of hydrogen into helium:

5. The α-radiation is:

6. Isotopes above the stability line have:

7. A radioactive element emits a particle from the nucleus of one of its atoms. The particle comprises two protons and two neutrons. The name of this process is called:

8. In the graph of unstable nuclei, stable isotopes lie:

9. A process in which two light nuclei combine to form a heavier nucleus is called:

10. A radioactive decay can be represented as shown. ₉₁Pa²³³ → ₉₂U²³³ + . . . . The emitted particle is Wan

11. α-particles has a charge of:

12. High penetrating power of gamma rays is due to their:

13. The safest way to dispose of a large quantity of radioactive waste is:

14. The danger from these particles is minimal.

15. ₁H² + ₁H³ → ₂He⁴ + ₀n¹ + energy. This reaction is an example of:

16. β particles have:

17. Isotopes below the line of stability:

18. If the radioactive source is placed inside the electric field, this radiation does not change its direction.

19. The number of neutrons in the uranium nucleus will be:

20. β particles are ____________ than / to a particles.