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Assertion : The frequencies of incident,...

Assertion : The frequencies of incident, reflected and refracted beam of monochromatic light are same.
Reason : The incident, reflected and refracted rays are coplanar.

A

If both assertion and reason are true and the reason is the correct explanation of the assertion

B

If both assertion and reason are true but reason is not the correct explanation of the assertion

C

If assertion is true but reason is false

D

If the assertion and reason both are false

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The correct Answer is:
b
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