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What is doppler effect???

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What is doppler effect???

    • Posted by Himanshu Kumar Dubey 5 years, 8 months ago

    CBSE > Class 11 > Physics
    • 2 answers

    Priyanka Priya 5 years, 8 months ago

    It is an increase in the frequency of the sound,light or other waves as the source and observer moves towards each other.the effect cause the sudden change in pitch noticeable in a passing Siren, as well as the red shift seen astronomers.

    0Thank You

    Ekta Guleria 5 years, 8 months ago

    When ever there is relative motion between source, observer, medium then the frequency of the waves received by observer is always different from frequency of waves emitted by source

    1Thank You

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