A radioactive nucleus undergoes $\alpha$- emission to form a stable element. What will be the recoil velocity of the daughter nucleus if $V$ is the velocity of $\alpha$-emission and $A$ is the atomic mass of radioactive nucleus
A radioactive nucleus undergoes $\alpha$- emission to form a stable element. What will be the recoil velocity of the daughter nucleus if $V$ is the velocity of $\alpha$-emission and $A$ is the atomic mass of radioactive nucleus
- [AIIMS 2004]
- A
$\frac{{4V}}{{A - 4}}$
- B
$\frac{{2V}}{{A - 4}}$
- C
$\frac{{4V}}{{A + 4}}$
- D
$\frac{{2V}}{{A + 4}}$
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