JEE Main & Advanced Physics Ray Optics Question Bank Plane Mirror

  • question_answer
    When light wave suffers reflection at the interface from air to glass, the change in phase of the reflected wave is equal to [CPMT 1991; J & KCET 2004]

    A)            0    

    B)            \[\frac{\pi }{2}\]

    C)            \[\pi \]                                    

    D)            \[2\pi \]

    Correct Answer: C

    Solution :

               When light is reflected from denser medium, a phase difference of \[\pi \]always occurs.


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