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

Physics Thermometry, Thermal Expansion and Calorimetry NCERT Examplar MCQ (Single Correct)

Increases as its effective length increases even though its center of mass still remains at the center of the bob

Decreases as its effective length increases even though its center of mass still remains at the center of the bob

Increases as its effective length increases due to shifting to center of mass below the center of the bob

Decreases as its effective length remains same but the center of mass shifts above the center of the bob

Text Solution

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The correct answer is:

As the temperature is increased length of the pendulum increases. We know that time period of pendulum

As L increases, so, time period (T) also increases.

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