JEE PHYSICS MCQ: WAVE OPTICS

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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

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Correct option: B

180^\circ

change of phase in one of the reflected waves

Option B (

180^\circ

) is correct because the phase change of

180^\circ

(or

\pi

) occurs upon reflection from a denser medium, leading to complementary colors in reflected and transmitted light.

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