A radioactive element $_{90}{X^{238}}$ decay into $_{83}{Y^{222}}$. The number of $\beta - $ particles emitted are
$4$
$6$
$2$
$1$
What is gamma decay ? Explain by proper example.
$\gamma$-decay occurs when
Beta rays emitted by a radioactive material are
In which of the following nuclear reactions, the product is incorrectly matched ?
What is the respective number of $\alpha $ and $\beta $ particles emitted in the following radioactive decay
$_{90}{X^{200}}{ \to _{80}}{Y^{168}}$