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Q.

Assertion (A): Glass, water, air and some plastics are examples of transparent materials.

Reason (R): Wood, cardboard and metals, are examples of opaque materials.

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a

Both A and R are true and R is the correct explanation of A

b

Both A and R are true and R is not correct explanation of A

c

A is correct and R is incorrect

d

A is incorrect and R is correct

answer is B.

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Detailed Solution

Glass, water, air and some plastics are examples of transparent materials.

Wood, cardboard and metals, are examples of opaque materials.

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