A perpendicular clock (fitted with a small heavy bob that is connected with a metal rod) is `5`
Channel: Doubtnut
Date: 2020-01-19

A perpendicular clock (fitted with a small heavy bob that is connected with a metal rod) is `5` seconds fast each day at a temperature of `15^(@)C` and `10` seconds slow at a temperature of `30^(@)C`. The temperature at which it is designed to give correct time, is