1.

Sulphur-35 (34.96903 amu) emits a `beta -` particle but no `gamma-` rays, the product is chlorine -35 (34.96885 amu). The maximum energy emitted by the `beta`- particle isA. 0.016767 MeVB. 1.6758 MeVC. 0.16758 MeVD. 16.758 MeV

Answer» Correct Answer - C
Mass defect = mass of sulphur - mass of chlorine
`= 34.96903 - 34.96885 = 0.00018g`
Binding energy = mass defect `xx 931`
`= 0.00018 xx 931`
`= 0.1675 MeV`


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