Q. A body cools from 90?C to 80?C in 5 minutes. Under the same external conditions to cool from 80?C to 70?C the body will take (Solved)
1. 2.5 minutes
2. Cannot be predicted
3. 5 minutes
4. More than 5 minutes
5. 4 minutes
- d. More than 5 minutes
1. 2.5 minutes
2. Cannot be predicted
3. 5 minutes
4. More than 5 minutes
5. 4 minutes