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- The stable nucleus that has a radius half that of Fe56 is : (A) Li7(B) Na21(C) S16(D) Ca40 |
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Answer» AExplanation:The nuclear RADIUS R = R0 A1/3or R ∝ A1/3or R3 ∝ A ⇒ A ∝ R3∴ A2= R2 3A1 R1= R1/2 3 = 1R1 8A2 = A1= 56= 78 8 |
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