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Class 11Physics10-2.Heat TransferHeat Conduction and Thermal Conductivity
Medium

One end of a thermally insulated rod is kept at a temperature $T_1$ and the other at $T_2$. The rod is composed of two sections of lengths $l_1$ and $l_2$ and thermal conductivities $K_1$ and $K_2$ respectively. The temperature at the interface of the two sections is

  • A
    $(K_2 l_2 T_1 + K_1 l_1 T_2) / (K_1 l_2 + K_2 l_1)$
  • B
    $(K_2 l_1 T_1 + K_1 l_2 T_2) / (K_2 l_1 + K_1 l_2)$
  • C
    $(K_1 l_2 T_1 + K_2 l_1 T_2) / (K_1 l_2 + K_2 l_1)$
  • D
    $(K_1 l_1 T_1 + K_2 l_2 T_2) / (K_1 l_1 + K_2 l_2)$
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Class 11 Questions

Class 11

Physics Questions

Chapter

10-2.Heat Transfer

Subtopic

Heat Conduction and Thermal Conductivity

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