Q.

what is known as a smooth and highly polished reflecting surface?

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a

Plastic covers

b

Mirror

c

Metals 

d

Glass 

answer is B.

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Detailed Solution

A mirror is an object which is defined as a smooth and highly polished surface which has the ability to reflect the image. Other objects like glass or plastic covers are also smooth and polished surfaces but they cannot have the same reflecting ability as that glass. Even though metal is a reflecting surface, the reflection is not as powerful as that of a mirror, which can show the image exactly.

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what is known as a smooth and highly polished reflecting surface?