Why metals possess lustre?
Answers
Answer:
As electrons in metals are loosely held, they are mobile. Thus the electrons present in the metals absorb energy and get excited to higher energy level. When these electrons come back to original energy level, they emit electromagnetic radiations due to which metals have shiny appearance and thus possess lustre.
Explanation:
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Explanation:
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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 .
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