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CET Karnataka Medical CET - Karnataka Medical Solved Paper-2005

  • question_answer
    The disc of a siren containing 60 holes rotates at a constant speed of 360 rpm. The emitted sound is in unison with a tuning fork of frequency:

    A)  10 Hz

    B)  360 Hz

    C)  216 Hz

    D)  60 Hz

    Correct Answer: B

    Solution :

    Speed = 360 revolutions per min \[=\frac{360}{60}\]revolutions per sec \[=60\] Frequency \[=6\times 60\]                     \[=360\]


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