A liquid cools from 70 °C to 60 °C in 5 minutes. If the temperature of the surrounding is constant
Channel: Doubtnut
Date: 2020-05-31

A liquid cools from 70 °C to 60 °C in 5 minutes. If the temperature of the surrounding is constant at 30 °C, then the time taken by the liquid to cool from 60 °C to 50 °C is