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JEE Main 2019 (8 Apr, Shift 2) · Nucleus: Composition, Size & Nuclear Force

Nucleus: Composition, Size & Nuclear Force question from JEE Main 2019 (8 Apr, Shift 2)

Q25JEE Main 2019 · 8 APR · SHIFT 2Easy

Nucleus: Composition, Size & Nuclear Force

The ratio of mass densities of nuclei of 40Ca and 16O is close to :-

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Answer: (a)

  1. Mass ∝A\propto A and volume ∝A\propto A, so nuclear density is the same for all nuclei.
  2. ρCaρO≈1\frac{\rho_{Ca}}{\rho_O} \approx 1
  3. So the answer is (a) 1.
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