Consider a $\beta$ decay reaction

${}_1^3H \to {}_2^3He + {e^{ - 1}} + \bar v$

Atomic mass of ${}_1^3H$and ${}_2^3He$ are $3.016050\,u$ and $3.016030\,u$. Find the maximum possible energy of electron ....... $MeV$

The $\beta$-particles of a radioactive metal originate from

In the nuclear decay given below 

$_z{X^A}{ \to _{z + 1}}{Y^A}{ \to _{z - 1}}{K^{A - 4}}{ \to _{z - 1}}{K^{A - 4}}$

the particles emitted in the sequence are

In the following nuclear rection, $D \stackrel{\alpha}{\longrightarrow} D _{1} \stackrel{\beta-}{\longrightarrow} D _{2} \stackrel{\alpha}{\longrightarrow} D _{3} \stackrel{\gamma}{\longrightarrow} D _{4}$ Mass number of $D$ is $182$ and atomic number is $74$ . Mass number and atomic number of $D _{4}$ respectively will be

In which of the following nuclear reactions, the product is incorrectly matched ?

$\alpha$ -particle consists of