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Metallic lustre is explained by

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An Intiative by Sri Chaitanya

Oscillation of loose electrons

Diffusion of metal ions

Excitation of free protons

Existence of BCC lattice

answer is A.

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Detailed Solution

● The metallic lustre of a metal is due to the oscillation of loosely bound electrons.
● When light falls on the electrons, they absorb energy and are set into oscillations, and they emit radiations which are responsible for the metallic lustre.

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