Question

6. A body originally at 60°C cools down to 40°C in
15 minutes when kept in air at a temperature
of 25°C. What will be the temperature of the
body at the end of 30 minutes ?
(a) 35.2°C
(b) 31.5°C
(c) 28.7°C
(d) 15°C​

Answer 1

Answer:

D)15°C is the ans of this ouestoon