Science, asked by mahajanpooja55pc9jj9, 1 year ago

metals have luster. give reason why some metal articles become dull and lose their shine

Answers

Answered by sakshiwaykar16

Answer:

Metals are lustrous because of the free electrons they have. The free electrons can move freely in the metal causing any light incident on them to get reflected back. This reflection is specular reflection rather than diffused and thus the metal surface appears shiny or lustrous

Explanation:

Answered by srabani80pal

Answer:

Some metals often lose their shine and appear dull, because of the action of air and moisture on them. Some metals as a result of oxidation with the atmospheric oxygen form oxides and by which their appearance becomes dull.

Explanation:

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