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Which crystal is used in the Davisson – Germer experiment?

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in Physics – Class 12 by (135k points)
Which crystal is used in the Davisson – Germer experiment?

(a) Aluminum

(b) Nickel

(c) Cobalt

(d) Zinc

The question was posed to me in unit test.

Question is from Davisson and Germer Experiment in section Dual Nature of Radiation and Matter of Physics – Class 12

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The correct answer is (b) Nickel

To elaborate: The crystal used in the Davisson – Germer experiment is nickel. A fine beam of electrons is made to fall on the surface of the nickel crystal. As a result, the electrons are scattered in all directions by the atoms of the crystal.

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