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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > Two cylinders P and Q have the same length and diameter and are made of different materials having thermal conductivities in the ratio 2 : 3. These two cylinders are combined to make a cylinder. One end of P is kept at 100°C and another end of Q at 0°C . The temperature at the interface of P and Q is

Two cylinders P and Q have the same length and diameter and are made of different materials having thermal conductivities in the ratio 2 : 3. These two cylinders are combined to make a cylinder. One end of P is kept at 100°C and another end of Q at 0°C . The temperature at the interface of P and Q is

the temperature at the common wall will be thermal conductivities K 1 and K 2 ​ are in contact.In the steady state if the temperatures at the outer surfaces are T 1 ​ and T 2 ​ Two walls of thickness d 1 ​ and d 2 ​