A body cools in 7 minutes from `60^(@)C`  to `40^(@)C` What time (in minutes) does
Channel: Doubtnut
Date: 2020-08-30

A body cools in 7 minutes from `60^(@)C`  to `40^(@)C` What time (in minutes) does it take to cool from `40^(@)C`  to `28^(@)C`  if the surrounding temperature is `10^(@)C` ? Assume Newton’s Law of cooling holds