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Question

The particles that display dual nature of both waves and particles are :

A
protons
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B
electrons
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C
mesons
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D
neutrons
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Solution

The correct option is B electrons
Electron has dual nature in it. It acts as a particle when you try to explain the photoelectric effect. While trying to explain diffraction and polarization we consider it has wave nature.

Initially, people considered electron to have only particle nature. But, they could not explain experimental observations like difraction. If we consider electron to be completely having wave nature, we cannot explain experimental observations like photoelectric effect. So the only reasonable solution was that electron possessed both particle and wave nature.

Hence, option B is correct.

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