$_{Z}X^{M} + _{2}He^{4} \to _{15}P^{30} + _{0}n^{1}$. Then

Which of the following is a common use of a neutron in nuclear applications?

$_1H^2 + _1H^2 \to _2He^3 + _0n^1$. The above nuclear reaction is called:

Artificial radioactivity was first discovered by

In the nuclear reaction $_{92}U^{238} \to _{82}Pb^{206}$,the number of alpha and beta particles decayed are

In the nuclear reaction $_{92}U^{238} \to _{82}Pb^{206} + x\,_{2}He^{4} + y\,_{-1}\beta^{0}$,the values of $x$ and $y$ are respectively......