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KCET2008PhysicsNuclear Physics

The ratio of the nuclear radii of elements with mass numbers 216 and 125 is

Options

  1. A216: 125
  2. B216 : 125
  3. C6: 5
  4. DNone of these

Correct answer

C. 6: 5

Step-by-step solution

Nuclear radius is proportional to A ^ 1 / 3 , where is the mass number of nucleus. aligned R &= R ₀ ~A ^ 1 / 3 R ₀ &=1.2 fm R ₁ R ₂ &= R ₀(216)^ 1 / 3 R ₀(125)^ 1 / 3 = 6 5 aligned

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