Question

what is photoelectric effect ?
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Answer 1

Answer:

Photoelectric effect is the property of light, when a light with certain amount of energy hits a metal surface, the electrons from the metal surface get ejected.

Explanation:

#Exp:

Metals have certain amount of threshold, the electrons are bound by the charge of nucleus, thus when a light with energy surpassing the threshold hits the metal, the electrons get charged and are able to leave the nuclear bound.

Hope this helps.

Answer 2

Answer:

this is emission of light when the electro magnatic need an electron is called it is studies of physics electro feild