Question
Physics Question on Heat Transfer
One rod of length 2 m and thermal conductivity 50 unit is attached to another rod of length 1 m and thermal conductivity 100 unit. Temperature of free ends are 70°C and 50°C respectively. Then temperature of junction point will be
A
60°C
B
54°C
C
64°C
D
68°C
Answer
54°C
Explanation
Solution
The correct option is (B): 54°C.