Science, asked by ansarif8874, 1 year ago

When was Photoelectric effect found?

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Answered by anshikaroy3456

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The photoelectric effect was discovered in 1887 by the German physicist Heinrich Rudolf Hertz. In connection with work on radio waves, Hertz observed that, when ultraviolet light shines on two metal electrodes with a voltage applied across them, the light changes the voltage at which sparking takes place.

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