First slide

Nuclear Binding energy

Question

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

Moderate

A

0.975 Au
B

0.925 Au
C

0.875 Au
D

0.725 Au

Solution

$\frac{A - M}{A} =$ Packing fraction (f)
$∴ M = A [1 - f] = A [1 - 0 .025] u = 0 .975 Au$

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