A pendulum clock keeps correct time at `20^(@)C` and coefficient of linear expansion of
Channel: Doubtnut
Date: 2020-06-14

A pendulum clock keeps correct time at `20^(@)C` and coefficient of linear expansion of pendulum is `12xx10^(-6)//.^(@)C`. If the room temperature increases to `40^(@)C`, how many seconds the clock lose or gain per day?