Which of the following theories supported "the particle nature of an electron"?

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The Photoelectric Effect

Dual nature of matter

Bohr'S Model of an atom

Thomson'S Model of an atom

answer is A.

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Detailed Solution

The Photoelectric Effect supported "the particle nature of an electron".
The photoelectric effect supports a particle theory of light in that it behaves like an elastic collision (one which conserves mechanical power) between two debris, the photon of light and the electron of the metallic.When light is incident on a metal surface, a phenomenon known as the photoelectric effect occurs when electrons are expelled from the surface. Photoelectrons are the expelled electrons in question. It is significant to remember that the frequency of the light that is incident on the metal's surface affects the emission of photoelectrons and the kinetic energy of the expelled photoelectrons. Photoemission is the term used to describe the process by which photoelectrons are emitted from the metal surface as a result of light.

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