A rod AB is 1m long. The temperature of its one end A is maintained at `100^(@)`C and other end B at `10^(@)`C, the temperature at a distance of 60 cm from point B is

The end A of rod AB of length 1 m is maintained at 80^(@) C and the end B at 0^(@) C. The temperature at a distance of 60 cm from the end A is

Two metal rods A and B of equal lengths and equal cross- sectional areas are joined end to end. The coefficients of thermal conductivities of A and B are in ratio 2 : 3 , when the free end of A is maintained at 100^(@)C , free end of B at 0^(@)C , the temperature of the junction is

In a steady state of heat conduction the temperature of the ends A and B of a rod 100cm long per 0^(@)C and 100^(@)C The temperature of the rod at a point 60cm distant from the end A is .

A cylindrical steel rod of length 0.10 m and thermal conductivity 50 W.m^(-1) K^(-1) is welded end to end to copper rod of thermal conductivity 400 W.m^(-1). K^(-1) and of the same area of cross section but 0.20 m long. The free end of the steel rod is maintained at 100^(@)C and that of the copper and at 0^(@)C . Assuming that the rods are perfectly insulated from the surrounding, the temperature at the junction of the two rods–

In a steady state of thermal conduction, temperature of the ends A and B of 20cm long rod are 100^(0) C and 0^(@) C respectively. The temperature of the rod at a point at a distance of 6 cm from the end A of the rod is

The temperature of hot and cold end of a 20 cm long rod in thermal steady state are at 100^(@)C and 20^(@)C respectively. Temperature at the centre of the rod is

In steady state condition, the temperatures at the two ends of a metal rod of length 25 cm are 100^(@) C and 0^(@) C. Then temperature at a point 8cm from the hot end is

In steady state condition, the temperatures at the two ends of a metal rod of length 25 cm are 100^(@)Cand0^(@)C . Then temperature at a point 8 cm from the hot end is