Ratio of energy density of two steel rods is `1 : 4` when same mass is suspended from the rods. If length of both rods is same then ratio of diameter of rods will be.

The ratio of the coefficient of thermal conductivity of two different materials is 5 : 3 . If the thermal resistance of the rod of same thickness resistance of the rods of same thickness of these materials is same, then the ratio of the length of these rods will be

The ratio of thermal conductivity of two rods is 4 : 3 . The radii & thermal resistances of the two rods are-equal. Calculate the ratio of their length.

The ratio of lengths of two rods A and B of same material is 1:2 and the ratio of their radii is 2:1 , then the ratio of modulus of rigidity of A and B will be

The ratio of lengths of two rods A and B of same material is 1:2 and the ratio of their radii is 2:1 , then the ratio of modulus of rigidity of A and B will be

The ratio of the lengths of two metallic rods is 2:3 and the ratio of the coefficients of linear expansion of their materials is 4:3. The ratio of their linear expanions for the same rise in temperature is

The ratio of the thermal conductivities of two different materials is 1 : 2 . The thermal resistance of the rods of these materials having the same thickness are equal. Find the ratio of the length of rods.

Heat is flowing through two cylindrical rods of the same material. The diamters of the rods are in the ratio 1: 2 and the length in the ratio 2 : 1 . If the temperature difference between the ends is same then ratio of the rate of flow of heat through them will be

A steel rod of length 20 3/26 is cut down from a rod of length 56 1/5 what when is the remaining length of the rod?

The heat is flowing through two cylindrical rods of same material. The diameters of the rods are in the ratio 1:2 and their lengths are in the ratio 2:1. If the temperature difference between their ends is the same, the ratio of rate of flow of heat through them will be