Nuclear Structure – Online MCQs – Physics 10th

1. During nuclear fusion of hydrogen into helium:

2. A particle having the mass of an electron and the charge of a proton is called a:

3. A nuclear reaction is given by:

4. Ions are:

5. 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:

6. The severe health hazards caused by radioactive emissions is/are:

7. Radioactivity is:

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

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

10. It is the most dangerous of all other radioactive radiations.

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

12. The rate of radioactive decay is proportional to the:

13. Isotopes above the stability line have:

14. α particle is a :

15. Various types of cancer are treated by:

16. In alpha decay, the proton number or atomic number, Z of the parent nuclide reduces by _________ while its atomic mass or nucleon number, A, decreases by __________.

17. 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:

18. A radioactive decay can be represented as shown. ₆C¹⁴ → ₇N¹⁴ + . . . . The emitted particle is a/an:

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

20. The splitting of a heavy nucleus into smaller nuclei is called: