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Q.

Packing fraction of a nucleus is 0.025 If its mass number is A0 then mass of the nucleus is [u = Atomic mass unit]

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a

0.975 Au

b

0.725 Au

c

0.925 Au

d

0.875 Au

answer is A.

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Detailed Solution

A−MA=Packing fraction (f)

∴ M=A1−f=A1−0.025u=0.975Au

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Packing fraction of a nucleus is 0.025 If its mass number is A0 then mass of the nucleus is [u = Atomic mass unit]