A pendulum clock having copper rod keeps correct time at 20∘C. It ga – InterviewSolution

1.	A pendulum clock having copper rod keeps correct time at 20∘C. It gains 15 seconds per day if cooled to 0∘C. Calculate the coefficient of linear expansion of copper.
Answer» A pendulum clock having copper rod keeps correct time at $20^{\circ}$ C. It gains 15 seconds per day if cooled to $0^{\circ}$ C. Calculate the coefficient of linear expansion of copper.

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