A body in a room cools from 90°C to 80°C in 5 minutes. the time taken to cool from 70°C to 60°C is
Less than 5 minute
5 minute
More than 5 minutes
Less or more than 5 minutes depending upon the nature of the body
A body in a room cools from 90°C to 80°C in 5 minutes. the time taken to cool from 70°C to 60°C is