A clock which keeps correct time at 20 C is subjected to 40

Last updated: 6/12/2023

A clock which keeps correct time at 20 C is subjected to 40 C If coefficient of linear expansion of the pendulum is 12 10 per C how much will it gain or lose in time 1 10 3 seconds day 2 20 6 seconds day 3 5 seconds day 4 20 minutes day