BTECH M2 UNIT-1 Newton law of cooling important questions|newston law of cooling #lawofcooling

btech m2 unit-1 imp Questions:    • btech m2 unit-1,2,3,4,5 imp Questions   The temperature of a cup of a coffee is 92°c, when freshly pour the room temperature 24°c . In 1min it was cool to 80°c how long a period must alapse before the temperature of cup becomes 65°c​