There are two types of rods :
Rod 1 : Length L, Thermal conductivity D, Area of cross section A
Rod 2 : Length 2L, Thermal conductivity K, Area of cross section A
Four possible arrangements of these rods in steady state are shown in Table-1 and Table-2 gives the temperature of the junction. Match
Table-1 with Table-2

Answer

(A) S, (B) R, (C) Q, (D) P