Q: The nuclei have their mass numbers in the ratio of 1 : 3. The ratio of their nuclear densities would be

(a) (3)^{1/3} ∶ 1

(b) 1 : 1

(c) 1 : 3

(d) 3 : 1

Ans: (b)

Sol: Nuclear density is almost independent of mass number.

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Q: The nuclei have their mass numbers in the ratio of 1 : 3. The ratio of their nuclear densities would be

(a) (3)^{1/3} ∶ 1

(b) 1 : 1

(c) 1 : 3

(d) 3 : 1

Ans: (b)

Sol: Nuclear density is almost independent of mass number.