1.

In a radioactive decay M_X, M_Ydenotes atomic masses of parent nuclei and daughter nuclei respectively. Q - value for beta^(-)decay is Q_(1)and B^(+)decay is Q_2If m_edenotes mass of an electron Then correct statement in the following is (Q value is energy released in that reaction)

Answer»

`Q_(1) = (M_(X) -M_(y))c^(2), Q_(2) = (M_(x)-M_(y)-2m_(e))c^2`
`Q_(1) = (M_(x) -M_(y))c^(2), Q_(2) = (M_(x)-M_y)c^2`
`Q_(1) = (M_(x) - M_(y)-2m_(e))c^2,Q_(2)=(M_x-M_y+2m_(e))c^2`
`Q_(2)=(M_(x)-M_y+2m_(e))c^2,Q_(2)=(M_(x)-M_y+2m_(e))c^2`

ANSWER :A


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