When a beam of photons of a suitable frequency strikes the metal surface, electrons are emitted from metal. This process is called photoelectric effect. The effect occurs when energy of incident beam is greater than that of the work function The graph between photo electron current (c) and intensity of photon (I)

When a beam of photons of a suitable frequency strikes the metal surfa

1.	When a beam of photons of a suitable frequency strikes the metal surface, electrons are emitted from metal. This process is called photoelectric effect. The effect occurs when energy of incident beam is greater than that of the work function The graph between photo electron current (c) and intensity of photon (I)
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