The photoelectric effect is best explained by the:

Interference of light waves

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Wave model of light

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Photon model of light

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Diffraction of light waves

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Heisenberg uncertainty principle

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Solution

The correct option is C Photon model of light
Photoelectric effect is explained by the Photon model of light, according to which light is carried in form of small packets of energy called photons. When photon hits an electron on a metal surface, the electron can be emitted depending upon the frequency of incident photon and the work function of metal.
This cannot be explained by wave model, since otherwise there would have been more photocurrent observed if intensity was increased, which is actually not observed.

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