Question

A radioactive nucleus undergoes α-emission to form a stable element. What will be the recoil velocity of the daughter nucleus if v is the velocity of α emission?(a) $\frac{4v}{A-4}$(b) $\frac{2v}{A-4}$(c) $\frac{4v}{A+4}$(d) $\frac{2v}{A+4}$

Answer 1

A radioactive nucleus undergoes α-emission to form a stable element. What will be the recoil velocity of the daughter nucleus if v is the velocity of α emission?(a) $\frac{4v}{A-4}$(b) $\frac{2v}{A-4}$(c) $\frac{4v}{A+4}$(d) $\frac{2v}{A+4}$

D correct

Answer 2

A radioactive nucleus undergoes α-emission to form a stable element. What will be the recoil velocity of the daughter nucleus if v is the velocity of α emission?(a) $\frac{4v}{A-4}$(b) $\frac{2v}{A-4}$(c) $\frac{4v}{A+4}$(d) $\frac{2v}{A+4}$

Correct - option is D