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JEE Main & Advanced Physics Wave Optics / तरंग प्रकाशिकी Question Bank Doppler's Effect of Light

  • question_answer
    If a source of light is moving away from a stationary observer, then the frequency of light wave appears to change because of                                                                  [AFMC 1995]

    A)            Doppler's effect                 

    B)            Interference

    C)            Diffraction                             

    D)            None of these

    Correct Answer: A

    Solution :

               According to Doppler?s effect, wherever there is a relative motion between source and observer, the frequency observed is different from that given out by source.


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