2. Solved Papers
  3. MGIMS WARDHA

MGIMS WARDHA MGIMS WARDHA Solved Paper-2010

  • question_answer
    A 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 rev/min \[=\frac{360}{60}rev/s=6\text{ }rev/s\] \[\therefore \]Frequency\[=6\times 60\] \[=360\text{ }Hz\]


You need to login to perform this action.
You will be redirected in 3 sec spinner