As the temperature is increased, the time period of a pendulum

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increases In general, the time period of a pendulum,t, is given by t = 1/(2pi) sqrt(1/g) When the temperature (T) is increased, the length of the pendulum (l) is given by, l =l0(1+∝T), where l0 = length at 0 oC ∝ = linear coefficient of expansion. Therefore, the time period of a pendulum will be t = 1/(2pi) sqrt ((l_0(1+∝T))/g) Hence, time period of a pendulum will increase with increase in temperature.

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