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MHT CET Physics question

PhysicsThermal Properties of MatterMHT CET

A clock with an iron pendulum keeps correct time at . What will be the error in second per day, if the room temperature is ? (Take, coefficient of linear expansion of iron is )

Answer: (A)

Solution

Time lost per day \dfrac\dfrac10^{-5}$×5×86400 ≈

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Question ID VK-065920