Two plane slabs of equal areas and conductivities in the ratio 1 : 2 are held together and temperature in between surface ends are t1 and t2. If junction temperature in between two surfaces is desired to be \(\frac{t_1 + t_2}{2}\) , then their thicknesses should be in the ratio of

Two plane slabs of equal areas and conductivities in the ratio 1 : 2 a

1.	Two plane slabs of equal areas and conductivities in the ratio 1 : 2 are held together and temperature in between surface ends are t1 and t2. If junction temperature in between two surfaces is desired to be \(\frac{t_1 + t_2}{2}\) , then their thicknesses should be in the ratio of
A.	2 : 1
B.	1 : 2
C.	1 : 1
D.	3 : 1
Answer» C. 1 : 1