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Sahay Sir > Question Answers > Cengage JEE Mains Physics by B.M Sharma > Chapter 13 - Thermal Expansion, Calorimetry and Transmission of Heat > A pendulum clock having copper rod keeps correct time at 20^∘ C. It gains 15 s per day if cooled to 0 C. The coefficient of linear expansion of copper is

A pendulum clock having copper rod keeps correct time at 20^∘ C. It gains 15 s per day if cooled to 0 C. The coefficient of linear expansion of copper is

A pendulum clock having copper rod keeps correct time at 20^∘ C. It gains 15 s per day if cooled to 0 C. The coefficient of linear expansion of copper is