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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > Two walls of thickness in the ratio 1:3 and thermal conductivities in the ratio 3:2 form a composite wall of a building. If the free surfaces of the wall be at temperatures 30C and 20C, respectively, what is the temperature of the interface?

Two walls of thickness in the ratio 1:3 and thermal conductivities in the ratio 3:2 form a composite wall of a building. If the free surfaces of the wall be at temperatures 30C and 20C, respectively, what is the temperature of the interface?

respectively Two walls of thickness in the ratio 1:3 and thermal conductivities in the ratio 3:2 form a composite wall of a building. If the free surfaces of the wall be at temperatures 30C and 20C what is the temperature of the interface?