KVPY 2019 SA Exam Previous Papers

Question : 24 of 80

Marks: +1, -0

The nuclear radius is given by

R = r_0A^{1\/3}

, where

r_0

is constant and A is the atomic mass number. Then,

Solution:

Density of nucleus is

M/V={A.m_P}/{4/3πR^3}={A m_P}/{4/3πr_0^3A}

={3m_P}/{4πr_0^3}

= constant

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