The approximate diameter of the nucleus is:
A$10^{-15}$ m
B$10^{-10}$ m
C$10^{-5}$ m
D$10^{-19}$ m
Answer & Solution
Correct answer: A. $10^{-15}$ m
Nuclear diameter ≈ $10^{-15}$ m. The nucleus is roughly $10^{5}$ (one lakh) times smaller than the whole atom.
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