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    If the frequency of a sound wave is 100 Hz, then what is its time period?
    Question

    If the frequency of a sound wave is 100 Hz, then what is its time period?

    A.

    0.01 second

    B.

    1 second

    C.

    10 seconds

    D.

    0.1 second

    Correct option is A


    The correct answer is (a) 0.01 second.
    · The time period (T) of a wave is the reciprocal of the frequency (f). It can be calculated using the formula:
    T= ​
    · For a frequency of 100 Hz:
    T=​ =0.01seconds
    Information Booster:
    · Frequency is the number of oscillations or vibrations per second, measured in Hertz (Hz).
    · The time period is the time taken for one complete cycle of the wave and is inversely proportional to the frequency.

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