![A pendulum clock having copper rod keeos correct time at 20^0 C. It gains 15 seconds per day if cooled to 0^@C. Calculate the coefficient of linear expansion of copper. A pendulum clock having copper rod keeos correct time at 20^0 C. It gains 15 seconds per day if cooled to 0^@C. Calculate the coefficient of linear expansion of copper.](https://doubtnut-static.s.llnwi.net/static/web-thumb/11445943_web.png)
A pendulum clock having copper rod keeos correct time at 20^0 C. It gains 15 seconds per day if cooled to 0^@C. Calculate the coefficient of linear expansion of copper.
My mechanical watch gains 2 seconds per day. Is that whithin normal range and what are the standards? - Quora
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