A body takes T minutes to cool from 62oC to 61oC when the surrounding temperature is 30oC. The time taken by the body to cool from 46oC to 45.5oC is

According to Newton's law of coolingθ1−θ2t∝θ1+θ22−θFor the first condition62−61T∝62+612−30 ………….(i)and for the second condition46−45.5t∝46+45.52−30 ……..(ii)By solving Eqs. (i) and (ii), we get t = T minutes.