engineering recuitment ISRO Scientist Mechanical Mock Test Physics Thermal Properties of Matter Heat transfer
The thermal conductivity of copper is 4 times that of brass. Two rods of copper and brass having same length and cross-section are joined end to end. The free end of copper is at 0 °C and the free end of brass is at 100 °C. The temperature of the junction is
1
20 °C
2
40 °C
3
60 °C
4
10 °C