1.

Assertion: PMMA is used for making lenses and light covers. Reason : It has excellent light transmission properties.

Answer»

If both assertion and REASON are true , and reason is the true explanation of the assertion.
If both assertion and reason are true , but reason is not the true explanation of the assertion.
If assertion is true , but reason is false.
If both assertion and reason are false.

ANSWER :A


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