Hot water kept in a beaker placed in a room cools from `70^(@)C`  to 60° C in 4 minutes .
Channel: Doubtnut
Date: 30/08/2020

Hot water kept in a beaker placed in a room cools from `70^(@)C`  to 60° C in 4 minutes . The time taken by it to cool from `69^(@)C`  to `59^(@)C` will be