MHT CET Physics question

Physics Ray Optics and Optical Instruments MHT CET

The velocity of light

(A)is maximum for red colour and minimum for violet colourCorrect
(B)is minimum for red colour and maximum for violet colour
(C)does not depend on colour of light
(D)is maximum for green colour and minimum for yellow colour

Answer: (A)

Solution

In a dispersive material medium the refractive index is least for red and greatest for violet, so red travels fastest and violet

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Question ID VK-076825