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MHT CET Physics question

PhysicsRay Optics and Optical InstrumentsMHT CET

A ray of light travelling in air has wavelength , frequency n, velocity v and intensity I. If this ray enters into water then these parameters are , n', v' and I' respectively. Which relation is correct from the following?

Answer: (B)

Solution

Frequency depends only on the source and stays unchanged; wavelength and speed both decrease in

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Question ID VK-076947