α, β and γ Radiations

Out of the two characteristics – the mass number (A) and the atomic number (Z) – of a nucleus, which one does not change during nuclear  $\beta -$ decay?

Out of the two characteristics – the mass number (A) and the atomic number (Z) – of a nucleus, which one does not change during nuclear  $\beta -$ decay?

The end product on the $\beta -$ decay of  ${}_{15}^{32}P$  is:

The end product of the ${\mathrm{\beta }}^{-}$ decay of ${}_{15}^{32}\mathrm{P}$ is

Which are amongst the following represent plot of the distribution of kinetic energy of $\beta -$ particles?

$\beta -$particle is emitted in a radio active reaction when

In which process neutron is converted into proton?

In the given nuclear reaction, the element $X$ is ${}_{11}{}^{22}\mathrm{Na}\to \mathrm{X}+{\mathrm{e}}^{+}+v$

A nucleus, represented by ${}_{91}{}^{230}X$ first emits an $\alpha$-particle and then emits a $\beta$-particle. The resulting nucleus $Y$ is

In gamma-decay, the number of nucleons in an unstable nucleus

The decay of Uranium ${}_{92}{}^{238}\mathrm{U}$ nucleus to Thorium ${}_{90}{}^{234}\mathrm{Th}$ is accompanied by

Consider the following nuclear processes:
(i) $\alpha$ decay
(ii) ${\beta }^{-}$decay
(iii) ${\beta }^{+}$(positron) decay
(iv) $\gamma$ decay
Which of these can lead to the formation of a different isotope of the original nucleus?

Which of the following gives the correct product $X$ of an alpha decay : ${}_{88}{}^{226}R\to X+{}_2{}^{4}He?$

Concept of neutrino was given by,

The penetrating powers of $a, b$ and $g$ radiations, in decreasing order, are

${}_{10}{}^{22}\mathrm{Ne}$ nucleus decays into two $\alpha$-particles and an unknown nucleus. The unknown nucleus is

Which radiation has the highest penetrating power?

The energy spectrum of β−particles [number N(E) as a function of β−energy E] emitted from a radioactive source is

Find the neutron-proton ratio in the daughter element when one $\alpha$− particle is emitted by ${}_{92}{}^{238}\mathrm{U}$