KCET 2006 Physics Solved Paper

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Question : 31 of 60

Marks: +1, -0

If white light is used in the Newton's rings experiment, the colour observed in the reflected light is complementary to that observed in the transmitted light through the same point. This is due to

90∘ change of phase in one of the reflected waves
180∘ change of phase in one of the reflected waves
145∘ change of phase in one of the reflected waves
45∘ change of phase in one of the reflected waves

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