The radius of an atomic nucleus of mass number 64 is 4 . 8 fermi. Then the mass number of another atomic…

The radius of an atomic nucleus of mass number 64 is 4.8 fermi. Then the mass number of another atomic nucleus of radius 6 fermi is
  1. 64
  2. 81
  3. 100
  4. 125

Solution

Density of nucleus is constant. Therefore,

A1A2=r1r23⇒A2=64.83×64=125

Asked in: AP EAMCET 2022 (04 Jul Shift 2)

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