Question

Photoelectric effect shows

A

Wave like behaviour of light

B

Paritcle like behaviour of light

C

Both wavelike and particle like behaviour

D

Neither wavelike nor particle behaviour of light

Medium
Updated on : 2022-09-05
Solution
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Correct option is B)

The photoelectric effect is the emission of photoelectrons from a clean metal surface due to incident light whose frequency is greater than a threshold frequency. The photoelectric effect supports the particle theory of light because it shows that the energy required to release electrons from a metal is totally dependent upon the frequency of the light, and not the intensity. Therefore, certain frequencies of light, no matter how intense, cannot cause an electron to be emitted from the surface of a metal .

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