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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > A cylinder is made up of two coaxial layers, one of radius R and the other of radius 2R. The inner and outer portions are respectively made up of substances of thermal conductivities K and 2K.

A cylinder is made up of two coaxial layers, one of radius R and the other of radius 2R. The inner and outer portions are respectively made up of substances of thermal conductivities K and 2K.

A cylinder is made up of two coaxial layers one of radius R and the other of radius 2R. The inner and outer portions are respectively made up of substances of thermal conductivities K and 2K.