Question: Q. 2. Heavy stable nucleus have more neutrons than protons. This is because of the fact that
(a) neutrons are heavier than protons.
(b) electrostatic force between protons are repulsive.
(c) neutrons decay into protons through beta decay.
(d) nuclear forces between neutrons are weaker than that between protons. [NCERT Exemplar]
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Solution:
Ans. Correct option : (b)
Explanation: Electrostatic force between protonproton is repulsive which causes the instability of nucleus. So neutrons are larger than proton.
