Question

what is photoelectric effect does the effect support particle nature or wave nature of light​

Answer 1

Answer:

Answer. The photoelectric effect supports a particle theory of light in that it behaves like an elastic collision (one that conserves mechanical energy) between two particles, the photon of light and the electron of the metal.

Answer 2

Solution :-

Particle nature of light can be verified by photoelectric experiment.

Let us suppose light to be a wave then, when it is incident on a metal surface and interact with electrons, it will take time to provide energy to the electrons and also, any intensity of the incident wave is able to provide sufficient energy to electrons (though less intensity waves might take time), so that electrons emit out of the metal surface.

But actually it doesn't happens,

The case is that there is negligible time lag between photon collisions with metal and photoelectron emission irrespective of intensity of incident light.(Incident light intensity should be greater than threshold frequency of the metal)

This proves that light show particle nature or, quantum nature.

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