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Physics 20 Online
OpenStudy (anonymous):

photoelectric effect

OpenStudy (chmvijay):

what you want about photoelectric effect einstein got noble prize for the discovery of this effect whenever light of proper wavelength/frequency falls on the metal electrons are ejected from the surface of the metal.

OpenStudy (anonymous):

http://www.youtube.com/watch?v=v5h3h2E4z2Q

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