The variation of lengths of two moles rods `A` and `B` with change in temperature is shown in figure . The ratio of `(alpha_(a))/(alpha_(B))` is :-

The variation of length of two metal rods A and B with change in temperature is shown in Fig. the coefficient of linear expansion alpha_A for the metal A and the temperature T will be

The variation of length of two metal rods A and B with change in temperature is shown in Fig. the coefficient of linear expansion alpha_A for the metal A and the temperature T will be

The variation of length of two metal rods A and B with change in temperature is shown in Fig. the coefficient of linear expansion alpha_A for the metal A and the temperature T will be? ( alpha_(A)=3x10^(-6)/ C )

Two different rods A and B are kept as shown in figure . The variation of temperature of different cross sections with distance is plotted in a graph shown in figure . The ration of thermal conductivities of A and B is -

Two different rods A and B are kept as shown in figure . The variation of temperature of different cross sections with distance is plotted in a graph shown in figure . The ration of thermal conductivities of A and B is -

Two different rods A and B are kept as shown in figure . The variation of temperature of different cross sections with distance is plotted in a graph shown in figure . The ration of thermal conductivities of A and B is -

The difference in lengths of two metal rods A and B is 40 cm at all temperatures. Calculate the lengths of the two rods if alpha of A = 12xx10^(-6)//^@C and alpha of B= 18xx10^(-6)//^@C .