In the Ingen Hauz’s experiment the wax melts up to lengths 10 and 25 cm on two identical rods of different materials. The ratio of thermal conductivities of the two materials is

The wax melts upto 2 cm and 6 cm lengths for two identical rods of different metals in Ingen Hausz's experiment. The ratio of their thermal conductivities is

In Ingen Hauz experiment the wax melts up to 5 cm and 10 cm on bars A and B, respectively. The ratio of the thermal conductivites of A and B is

Two vessels of different materials are similar in size in every respect. The same quantity of ice filled in them gets melted in 20 minutes and 40 minutes respectively. The ratio of thermal conductivities of the materials is

Two vessels of different materials are similar in size in every respect. The same quantity of ice filled in them gets melted in 20 minutes and 35 minutes respectively. The ratio of the thermal conductivities of their materials is