39. Why two thin shirts can keep us warmer than a single thick shirt in winter ? A.Two thin shirts become thicker so prevent transmission of heat B.Air layer between two shirts works as good conductor C.Air layer between two shirts behaves like insulating media D.No radiation of heat takes place
Option C Solution: Two thin shirts can keep us warmer than a single thick shirt in winter because of the air that is trapped between the two thin shirts. This air acts as an insulator and ensures that heat does not escape.
