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  3. RAJASTHAN ­ PET

RAJASTHAN ­ PET Rajasthan PET Solved Paper-2003

  • question_answer
    Two tuning forks of frequencies 256 and 258 Hz produce 5 beats/s with the third tuning fork. The frequency of third tuning fork will be

    A)  120 Hz          

    B)  115 Hz

    C)  105 Hz          

    D)  95 Hz

    Correct Answer: C

    Solution :

     The frequency of third tuning fork along with first tuning fork = 95,105 Hz The frequency of third tuning fork along with second tuning fork = 105,115 Hz Therefore, frequency = 105 Hz.


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