Discussion :: Assertion and Reason
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Assertion (A): Diamond is used for cutting the glass.
Reason (R): The refractive index of diamond is high.
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A.
Both A and R are true, and R is the correct explanation of A.
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B.
Both A and R are true, but R is not the correct explanation of A.
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C.
A is true, but R is false.
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D.
A is false, but R is true.
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E.
Both A and R are false.
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Answer : Option B
Explanation :
The molecular structure of a diamond makes it so hard that it can cut the glass. It has a high refractive index, but it does not make it hard.
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