The diameters of steel. rods A and B having the same length are 2 cm and 4 cm respectively. They are heated through `100^@C`. What is the ratio of increase of length of A to that of B ?

The diameters of steel rods A and B having the same length are 3 cm and 6 cm respectively. They are heated through 80^(@)C . What is the ratio of increase in length of A to that B?

Two uniform brass rods A and B of lengths l and 2l and radii 2r and r respectively are heated to the same temperature. The ratio of the increase in the length of A to that of B is :

Two unifrom brass rod A and B of length l and 2l and radii 2r respectively are heated to the same temperature. The ratio of the increase in the volume of A to that of B is

The length and breadth of a steel tape are 10m and 2.4cm, respectively. The ratio of the length to the breadth is

Two open organ pipes A and B have the same length but their diameters are 5 cm and 3 cm respectively . Then the fundamental frequencies are related as

The heat is flowing through two cylinderical 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 rates of flow of heat through them will be

Two cylindrical wire A and B have the same resistance . The ratio of their specific resistances and diameters are 1 : 2 each, then what is the ratio of the length of B to the length of A ?

The length of a pencil is 16 cm and its diameter is 6 mm. What is the ratio of the diameter of the pencil to that of its length?