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what do u mean by phototelectric effect

what do u mean by phototelectric effect
 

Grade:11

2 Answers

Saurabh Kumar
askIITians Faculty 2405 Points
7 years ago
he theory of the photoelectric effect must explain the experimental observations of the emission of electrons from an illuminated metal surface. For a given metal, there exists a certain minimum frequency of incident radiation below which no photoelectrons are emitted. This frequency is called the threshold frequency.
Manas Baul
18 Points
7 years ago
When Photons hit an Metal Surface with a certain minimum Frequency,(Called The Thershold Frequency), Electrons Are Ejected. This Effect is Called Photoelectric Effect.

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