- #1
melissajohn
- 20
- 0
how do you calculate the momentum if the energy of photon is 25 x 105 erg?
i know p=mass*velocity
but i am not sure how to do this problem.
is the SI units of photons... erg? i just want to make sure.
i know p=mass*velocity
but i am not sure how to do this problem.
is the SI units of photons... erg? i just want to make sure.