Q. Sulphur-emits a particle but no -rays, the product is chlorine-. The maximum energy emitted by the -particle is:

 1916  183 Delhi UMET/DPMTDelhi UMET/DPMT 2004 Report Error

Solution:

The maximum energy emitted by -particles is equal to binding energy.
Binding/energy mass defect
Given, mass of sulphur
Mass of chlorine
Mass defect mass of sulphur mass of chlorine

Binding energy mass defect
or