The ratio of radii of two cylindrical rods of same material is 2 :1 and ratio of their lengths is 2:3 . Their ends are maintained at same temperature difference. If rate of flow of heat in the longer rod is 2 Cal s^(-1), then that in the shorter rod will be

The ratio of radii of two cylindrical rods of same material is 2 :1 an

1.	The ratio of radii of two cylindrical rods of same material is 2 :1 and ratio of their lengths is 2:3 . Their ends are maintained at same temperature difference. If rate of flow of heat in the longer rod is 2 Cal s^(-1), then that in the shorter rod will be
Answer» 4 Cal `s^(-1)` 12 Cal `s^(-1)` 8 Cal `s^(-1)` 1 Cal `s^(-1)` ANSWER :B