Physics MCQs for NEET — Practice Questions with Answers

${\mathrm{M}}_{\mathrm{n}}$ and ${\mathrm{M}}_{\mathrm{P}}$ represent mass of neutron and proton respectively. If an element having atomic mass M has N-neutron and Z-proton, then the correct relation will be

The radius of a nucleus of a mass number A is directly proportional to

As compared ${}_{12}\mathrm{C}$ atom, ${}_{14}\mathrm{C}$ atom has

If m, ${\mathrm{m}}_{\mathrm{n}}$ and ${\mathrm{m}}_{\mathrm{p}}$ are the masses of ${}_{\mathrm{Z}}\mathrm{X}_{\mathrm{A}}$ nucleus, neutron and proton respectively 

On the bombardment of neutron with Boron. $\mathrm{\alpha }$-particle is emitted and product nuclei formed is

The average kinetic energy of the thermal neutrons is of the order of 

Which of the following isotopes is normally fissionable ?

The process by which a heavy nucleus splits into light nuclei is known as 

The explosion of the atomic bomb takes place due to

In nuclear reaction ${}_2\mathrm{He}_4+{}_{\mathrm{Z}}\mathrm{X}_{{}_{\mathrm{A}}}\to {}_{\mathrm{z}+2}\mathrm{Y}_{\mathrm{A}+3}+\mathrm{A}$, A denotes