A pendulum clock gives correct time at $20^oC$ . How many seconds will it lose per day at $40^oC$? $(\alpha=3.6\times 10^{-6/oC})$
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A pendulum clock gives correct time at $20^oC$ . How many seconds will it lose per day at $40^oC$? $(\alpha=3.6\times 10^{-6/oC})$