New Enroll in RBI Grade B New Batch - Starts on May 21

    Question

    In which year was the Doppler effect discovered by

    Austrian scientist Christian Doppler, that describes the change in frequency of any kind of sound or light wave produced by a moving source with respect to an observer?
    A 1846 Correct Answer Incorrect Answer
    B 1844 Correct Answer Incorrect Answer
    C 1842 Correct Answer Incorrect Answer
    D 1840 Correct Answer Incorrect Answer

    Solution

    The correct answer is C

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