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A uniform metal rod is used as a bar pendulum. If the room temperature rises by $10^{0} C,$ and the coefficient of linear expansion of the metal of the rod is $2 \times 10^{- 6} per^{0} C$ , the period of the pendulum will have percentage increase of

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detailed solution

Correct option is D

Fractional change in period ∆TT = 12α∆θ = 12×2×10-6×10 = 10-5% change = ∆TT×100 = 10-5×100 = 10-3%

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A uniform metal rod is used as a bar pendulum. If the room temperature rises by 100C, and the coefficient of linear expansion of the metal of the rod is 2 × 10-6 per 0C, the period of the pendulum will have percentage increase of

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Ready to Test Your Skills?

free study material

A uniform metal rod is used as a bar pendulum. If the room temperature rises by $10^{0} C,$ and the coefficient of linear expansion of the metal of the rod is $2 \times 10^{- 6} per^{0} C$ , the period of the pendulum will have percentage increase of