Question

A body in a room cools from 85° C to 80° C in 5 seconds. The time taken to cool from 80° C to 75° C is :  

(A) 5 minutes. 

(B) less than 5 minutes. 

(C) more than 5 minutes. 

(D) may be less or more than 5 minutes.

Answer 1

Answer is (C) more than 5 minutes.

Rate of loss heat decreases with the fall of temperature.