## In This post you will get answer of Q.

Calculate the linear momentum of a $ 3 ,MeV $ photon

Solution:

## Momentum $ p =frac{E}{c}$

$ = frac{3,MeV}{3times 10^8,m/s} $

$ = frac{3 times 10^6 ,eV}{3times 10^8 ,m/s}$

$ = 0.01 ,eV -s/m$