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JEE PHYSICS MCQ: RAY OPTICS

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When light waves suffer reflection at the interface between air and glass, the change of phase of the reflected wave is equal to

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Correct option: C

\pi

Option C (

\pi

) is correct because when light waves reflect from a denser medium (glass) to a rarer medium (air), there is a phase change of

\pi

radians (180 degrees).

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