The radius R of a nucleus of mass number A can be estimated by the formula R = (1.3 … 10^–15)A^1/3 m. It follows that the mass density of a nucleus is of the order of : (M_prot. … M_neut … 1.67 … 10^–27 kg)

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Atoms and Nuclei

JEE Main 2020 · 3 Sep, Evening shift · Q6099

PhysicsEasy183×since 2002Q6099

The radius R of a nucleus of mass number A can be estimated by the formula R = (1.3

\times

10^–15)A^1/3 m. It follows that the mass density of a nucleus is of the order of : (M_prot.

\cong

M_neut

\simeq

1.67

\times

10^–27 kg)