Question

What is the difference between a relative adjective and relative adverb?

Answer 1

The relative adverb not only modifies a verb, but also joins the two clauses in a sentence. Note that a relative adverb does not act as the subject or object in the relative clause. It merely replaces an adverb.....

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Answer 2

Explanation:

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what is refractive index??

prove that sin I/sin R is constant....!