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  3. RAJASTHAN PMT

RAJASTHAN PMT Rajasthan - PMT Solved Paper-1996

  • question_answer
    With what velocity should a source of sound move away from the observer so that to the observer the frequency of sound may appear to be half of the actual frequency:

    A) \[\frac{\upsilon }{2}\]                                   

    B)        \[\upsilon 2\]                    

    C)        \[\frac{\upsilon }{4}\]                                   

    D)        \[\upsilon \]

    Correct Answer: D

    Solution :

    To appear half frequency of source, sound source should move with velocity of sound.


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