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Jyothir Asked:
In photoelectric effect, what happens to the photon after it collides elastically with the electron ?
Ans:
The photon is completely absorbed by one electron, the energy of the electron provides the work function which is equal to the binding energy of the electron and the balance energy appears as the electrons Kinetic energy.
As Einstein’s Photo electric equation suggests
KE = h (v-vo)
I WANT IIT STUDY MATERIAL
so does it imply that a photon is not a physically existing one. Is th electron absorbing the energy of the photon or a photon a s such. That means is the electron swallowing the photon?