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The ends of the prongs of a tunning fork...

The ends of the prongs of a tunning forks originally in unison with a fork B of frequency 512 are filled, and the forks produce 5 beat/s when sounded together. What is the pitch of A after filling ?

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Knowledge Check

  • When one of the prong of a tuning fork is waxed a little then frequency of the fork will

    A
    decrease
    B
    increase
    C
    remains unchanged
    D
    may increase or decrease

  • A number of tuning forks are arranged in the order of increasing frequencies and any two successive tuning forks produce 4 beats/second, when sounded together. If the frequency of the last tuning fork is the octave of the first tuning fork and if the frequency of the first tuning fork is 256 Hz, then the number of tuning forks is

    A
    46
    B
    60
    C
    65
    D
    30

  • The prongs of the tuning fork are filled a little, the frequency of the tuning fork after filled

    A
    increases
    B
    remain constant
    C
    decreases
    D
    can not be predicted

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    When wax is attached to one of the prongs of a tuning fork, frequency of the fork will

    A tuning fork A produces 4 beats/sec with another tuning fork B of frequency 320 Hz . On filing the fork A , 4 beats/sec are again heard. The frequency of fork A , after filing is

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