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Question

The wave nature of the electron was verified using

A
Photo electric effect
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B
Compton effect
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C
The phenomenon of X-ray emission
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D
Diffraction of electron by a crystal
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Solution

The correct option is D Diffraction of electron by a crystal
The Davisson-Germer experiment demonstrated the wave nature of the electron, confirming the earlier hypothesis of de Broglie. Putting wave-particle duality on a firm experimental footing, it represented a major step forward in the development of quantum mechanics. The Bragg law for diffraction had been applied to x-ray diffraction, but this was the first application to particle waves.

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