Question

A cold body is placed between two hot bodies. Which of the following will be the correct direction of heat flow?

• A. From cold body to either of the hot bodies
• B. From the hot body on left to the cold body and then to the hot body in right
• C. From both hot bodies to the cold body kept in the middle
• D. From the hot body on right to the cold body and then to the hot body in left

Answer 1

The correct option is C

From both hot bodies to the cold body kept in the middle

The direction of heat flow is determined by the temperature of the body.

Heat always flows from low temperature to high temperature till all the bodies in contact reach thermal equilibrium(Same temperature).