A body cools down from `100^@C` to `90^@C` in 20 minutes. It will cool down from `110^@C` to `100^@C` in _____

A body cools down from 65^(@)C to 60^(@)C in 5minutes. It will cool down from 60^(@)C to 55^(@)C in

A body cools from 90^@C to 80^@C in 2 minutes. How long will it take to cool from 70^@C to 50^@C if temperature of surroundings is 16^@C ?

A liquid cools down from 70^(@)C to 60^(@)C in 5 minutes. The time taken to cool it from 60^(@)C to 50^(@)C will be

A body cools from 70^(@)C to 60^(@)C in 8minute The same body cools from 60^(@)C to 50^(@)C in .

A hot body obeying Newton's law of cooling is cooling down from its peak value 80^@C to an ambient temperature of 30^@C . It takes 5 minutes in cooling down from 80^@C to 40^@C . How much time will it take to cool down from 62^@C to 32^@C ? (Given In 2 = 0.693, In 5 = 1.609)

A body cools from 80^(@)C to 50^(@)C in 5 min-utes Calculate the time it takes to cool from 60^(@)C to 30^(@)C The temperature of the surroundings is 20^(@)C .

A body in a room cools from 85^(@)C to 80^(@)C in 5 minutes. Then the time taken to cool from 80^(@)C to 75^(@)C is

A body cools from 80^(@)C to 60^(@)C in 5 minutes. Then its average rate of cooling is