Question

$M_{x}\ and\ M_{y}$ denote the atomic masses of the parent and the daughter nuclei respectively in radioactive decay. The Q –value for a β⁻ decay is Q₁ and that for a β⁺ decay is Q₂. If me denotes the mass of an electron, then which of the following statements is correct?(a) $Q_{1}=(M_{x}-M_{y})c^{2}\ and\ Q_{2}=[M_{x}-M_{y}-2m_{e}]c^{2}$(b) $Q_{1}=(M_{x}-M_{y})c^{2}\ and\ Q_{2}=(M_{x}-M_{y})c^{2}$(c) $Q_{1}=(M_{x}-M_{y}-2m_{e})c^{2}\ and\ Q_{2}=[M_{x}-M_{y}+2c_{e}]c^{2}$(d) $Q_{1}=(M_{x}-M_{y}+2m_{e})c^{2}\ and\ Q_{2}=[M_{x}-M_{y}+2m_{e}]c^{2}$

Answer 1

HERE IS YOUR ANSWER :-

Option No. A

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