Which of the following supports particle nature of photons ?

Diffraction
Polarization
Photoelectric effect
Interference
Photoelectric effect  Light is made up of photons, so it has some particle properties. In the photoelectric effect, light hits some material which absorbs it, and then ejects incident electrons. The reason that the photoelectric effect is evidence for the particle nature of light has to do with how materials absorb that light energy and then eject it in the form of electrons.

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