Four cylindrical rods of same material with length and radius (l,r),(2l,r),(2l,r) and (l,2r) are connected between two reservoirs at `0^@C` and `100^@C`. Find the ratio of the maximum to minimum rate of cunduction in them.

Four cylindrical rods of same material with length and radius (l,r),(2l,r),(l/2,r) and (l,2r) are connected between two reservoirs at 0^@C and 100^@C . Find the ratio of the maximum to minimum rate of cunduction in them.

Four cylindrical rods of same material with length and radius (l,r),(2l,r),(l/2,r) and (l,2r) are connected between two reservoirs at 0^@C and 100^@C . Find the ratio of the maximum to minimum rate of conduction in them.

Four rods of same material with different radii r and length l are used to connect two reservoirs of heat at different temperatures. Which one will conduct maximum heat?

Two wires of same material have length L and L/2 and radius r and r/2 respectively. The ratio of their Young's modulus is

Two vibrating strings of the same material but lengths L and 2L have radii 2r and r respectively. They are stretched under the same tension. Both the strings vibrate in their fundamental modes, the one of length L with frequency n_(1) and the other with frequency n_(2) the ratio n_(1)//n_(2) is given by

Two vibrating strings of the same material but lengths L and 2L have radii 2r and r respectively. They are stretched under the same tension. Both the strings vibrate in their fundamental modes, the one of length L with frequency n_(1) and the other with frequency n_(2) the ratio n_(1)//n_(2) is given by

Two vibrating strings of the same material but lengths L and 2L have radii 2r and r respectively. They are stretched under the same tension. Both the string vibrate in their fundamental nodes, the one of length L with freuqency v_(1) and the other with frequency v_(2) . the ratio v_(1)//v_(2) is given by

Two vibrating strings of the same material but lengths L and 2L have radii 2r and r respectively. They are stretched under the same tension. Both the string vibrate in their fundamental nodes, the one of length L with freuqency v_(1) and the other with frequency v_(2) . the ratio v_(1)//v_(2) is given by