Which crystal is used in Davisson and Germer experiment?

Aluminium

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Nickel

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Cobalt

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Zinc

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Solution

The correct option is B Nickel
The crystal used in Davisson and Germer experiment is Nickel.

A fine beam of electron is made to fall on the surface of nickel crystal.

As a result, the electrons are scattered in all direction by the atoms of the crystal.

Hence, option $(B)$ is the correct answer.

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(in A^{\circ})

Davisson and Germer experiment proves the

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