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NEET Sample Paper NEET Sample Test Paper-62

  • question_answer
    A tuning fork of frequency 80 Hz produced 10 beats per sec when sounded with a vibrating sonometer string. What must have been the frequency of string if slight increase in tension produces fever beats per sec than before:

    A) 460 Hz                         

    B) 470 Hz

    C) 480 Hz                         

    D) 490 Hz

    Correct Answer: B

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