Question
If wavelength of photon is $2.2 \times 10^{-11} \mathrm{~m}$ and $h=6.6 \times 10^{-34} \mathrm{~J} \mathrm{~s}$, then momentum of photon
If wavelength of photon is $2.2 \times 10^{-11} \mathrm{~m}$ and $h=6.6 \times 10^{-34} \mathrm{~J} \mathrm{~s}$, then momentum of photon