Nature Of Light|Properties Of Photon|Questions|Electron Emission

Speed of photons in photoelectric emission is

Questions|Dual Nature Of Light|De-Broglie Hypothesis|Questions|OMR

Assertion : Photoelectric effect supports the quantum nature of light. Reason : Photoelectric emission is instantaneous.

Photoelectric Effect|Energy Of Photon|Linear Momentum Of Photon|Intensity Of Light|Questions|Experimental Study Of P.E.E By Lenard|Explanation By Einstein|OMR

In a photon-electron collision ……………………. .

Of the following properties the photon does not possess

A : Work function of aluminium is 4.2 eV . Emission of electrons will be possible by two photons , each of 2.5 eV energy , striking the electron of aluminium . R : Energy of a photon can be less then the work function of the metal , for photoelectron emission .

Statement I : Photo-electric effect demonstrates particle nature of light. Statement II : Number of photons is proportional to frequency of photons.