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Two cylinders P and Q have the same leng...

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

A

30°C

B

40°C

C

50°C

D

60°C

Text Solution

Verified by Experts

The correct Answer is:
B
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