Jee Main
Atoms And Nuclei
JEE Main 2023 (Online) 30th January Evening Shift
INTEGER+4 / -12023
A radioactive nucleus decays by two different process. The half life of the first process is 5 minutes and that of the second process is $30 \mathrm{~s}$. The effective half-life of the nucleus is calculated to be $\frac{\alpha}{11} \mathrm{~s}$. The value of $\alpha$ is __________.