Jee Main
Properties Of Matter
JEE Main 2021 (Online) 27th July Morning Shift
MCQ+4 / -12021
A body takes 4 min. to cool from 61\(^\circ\) C to 59\(^\circ\) C. If the temperature of the surroundings is 30\(^\circ\) C, the time taken by the body to cool from 51\(^\circ\) C to 49\(^\circ\) C is :