A hollow sphere of inner radius R and outer radius 2R is

Last updated: 6/13/2023

A hollow sphere of inner radius R and outer radius 2R is made of a material of thermal conductivity K It is surrounded by another hollow sphere of inner radius 2R and outer radius 3R made of same material of thermal conductivity K The inside of smaller sphere is maintained at 0 C and the outside of bigger sphere at 100 C The system is in steady state The temperature of the interface will be A 50 C B 70 C D 45 C C 75 C s C