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Which of the following is correct?(A) 1μ2 = \(\cfrac{sin\,i}{sin\,r}\)(B) 1μ2 = \(\cfrac{c_1}{c_2}\)(C) 1μ2 = \(\cfrac{\mu_1}{\mu_2}\)(D) 1μ2 = \(\cfrac{sin\,r}{sin\,i}\) |
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Answer» Correct option is (A) 1μ2 = \(\cfrac{sin\,i}{sin\,r}\) |
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