explain photoelectric effect
Answers
Answer:
Photoelectric effect:
Explanation:
When radiations with frequency greater than a certain minimum frequency (v°)strike the surface of a metal, the electrons are rejected from the surface of metal ,This phenomenon is known as Photoelectric effect ,the electrons emitted are called photoelectrons .
The minimum frequency is known as Threshold frequency
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Answer:
The photoelectric effect is the emission of electrons from a metal surface.
Explanation:
When radiation of a suitable frequency strikes on a metal surface, electrons are ejected out of the metal surface with a particular value of kinetic energy. The incident radiation must have a frequency greater than that of the threshold frequency. The threshold frequency is the minimum frequency required for the incident radiation to eject the electrons out of the metal surface.