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CBSE Class 12-science Answered

Photon is a quanta of light. (a) Who introduced the concept of photon? (b) Briefly explain the effect of intensity and energy of the incident radiation on the photo electric effect.
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
answered-by-expert Expert Answer

(a) Max Planck

(b) On increasing the intensity of the incident radiation, greater numbers of electrons will be ejected, but each electron would carry the same average energy because each incident photon carried the same energy.

On increasing the energy of the incident radiation, (i.e. increase in the frequency), the kinetic energy of the photoelectrons increases.

Answered by | 04 Jun, 2014, 03:23: PM
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