Question

    The time period of a second’s pendulum is

    –
    A 1 second Correct Answer Incorrect Answer
    B 2 seconds Correct Answer Incorrect Answer
    C 0.5 second Correct Answer Incorrect Answer
    D 1.5 seconds Correct Answer Incorrect Answer

    Solution

    A seconds pendulum is a pendulum whose period is precisely two seconds;onesecondforaswinginonedirection andonesecondforthereturnswing,afrequency of1/2Hz.Atstandardgravityitslengthis0.994 m.

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