Embibe Experts Solutions for Chapter: Nuclei, Exercise 1: Exercise

What do you mean by mass spectrometer?

What is the energy equivalence of $1\mathrm{Kg}$ of matter.

The mass of ${{}_{17}\mathrm{Cl}}^{35}$ is $34.9800$ amu. Calculate its binding energy. What is the binding energy per nucleon ? Given : mass of one proton $=1.007825$ amu, mass of one neutron $=1.008665$ amu.

Calculate the binding energy per nucleon of ${{}_{20}\mathrm{Ca}}^{40}$ nucleus? Given mass of ${{}_{20}\mathrm{Ca}}^{40}=39.962589\mathrm{u}$, mass of proton $1.007825\mathrm{u}$, mass of neutron $=1.008665\mathrm{u}$ and $1\mathrm{u}=931 \mathrm{MeV}/{\mathrm{c}}^2$

A radioactive material whose half-life is $30$ days contains ${10}^{12}$ atoms at any instant. Calculate the number of disintegrations per second. 

 What is meant by half-life of a radioactive element ? 

In the series of radioactive disintegration of ${{}_{A}X}^Z$  first an alpha particle and then a beta particle is emitted. What is the atomic number and mass number of the new nucleus formed by these successive disintegrations?

What is nuclear force? Describe the characteristic of nuclear force.