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Q.

Is it true that lustre is the shiny appearance of the metal?


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a

True

b

False 

answer is A.

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Detailed Solution

The above statement is true.
Lustre can be referred to as the shiny appearance of the metal. The lustrous appearance of the metallic surface comes from the mobile electrons it possesses in its structure. These electrons tend to move from one point to other in metal and when ray of light falls on them, the reflection of light occurs and shiny appearance forms. Polished metal tends to have more shine to its surface.
 
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