Embibe Experts Solutions for Chapter: Nuclear Physics, Exercise 2: Exercise 2

A radioactive substance contains $10000$ nuclei and its half-life period is $20 \mathrm{days}$. The number of nuclei present at the end of $10 \mathrm{days}$ is

If radius of the ${}_{13}{}^{27}\mathrm{Al}$ nucleus is estimated to be $3.6 \mathrm{fermi}$ then, the radius of ${}_{52}{}^{125}\mathrm{Te}$ nucleus be nearly

Starting with a sample of pure ${}^{66}\mathrm{Cu}\text{, }\frac{7}{8}$ of it decays into $\mathrm{Zn}$ in $15 \min$. The corresponding half-life is

The average energy released per fission is

The explosion of atom bomb is based on the principle of

Anaemia can be diagnosed by

In the nuclear reaction ${}_{80}{\mathrm{Hg}}^{198}+\mathrm{X}\stackrel{}{\to }{}_{79}\mathrm{Au}^{198}+{}_1\mathrm{H}^1\text{. }\mathrm{X}‐$stands for

If the binding energy per nucleon for ${}_3{}^7\mathrm{Li}$ and ${}_2{}^4\mathrm{He}$ nuclei are $5.60 \mathrm{MeV}$ and $7.06 \mathrm{MeV}$ respectively, then, in the reaction
$\mathrm{p}+{}_3{}^7\mathrm{Li}⟶2 \left({}_2{}^4\mathrm{He}\right)$ energy of proton must be