Modern Physics 5 Question 23

26. Which of the following statements(s) is (are) correct?

(1994, 2M)

(a) The rest mass of a stable nucleus is less than the sum of the rest masses of its separated nucleons

(b) The rest mass of a stable nucleus is greater than the sum of the rest masses of its separated nucleons

(c) In nuclear fission, energy is released by fusing two nuclei of medium mass (approximately $100 amu$ )

(d) In nuclear fission, energy is released by fragmentation of a very heavy nucleus

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Answer:

Correct Answer: 26. Fusion, 24

Solution:

  1. In nuclear fusion, two or more lighter nuclei are combined to form a relatively heavy nucleus and thus, releasing the energy.


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