Light of a certain wavelength has a wave number \(\overline\upsilon\) – InterviewSolution

1.	Light of a certain wavelength has a wave number \(\overline\upsilon\) in vacuum. Its wave number in a medium of refractive index n is _______.(A) \(\cfrac{n}{\overline\upsilon}\) (B) \(\cfrac1{n\overline\upsilon}\)(C) \(\cfrac{\overline\upsilon}{n}\)(D) \(n{\overline\upsilon}\)
Answer» Correct option is (D) \(n\overline\upsilon\)

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