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MHT CET Physics question

PhysicsRay Optics and Optical InstrumentsMHT CET

A light wave enters from air into a medium of refractive index . If wavelength of light in air is 6000 Å, then the wave number of light in medium is

Answer: (C)

Solution

Å so 10^{-7})10^{6}$

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Question ID VK-077241