$(6)$ Compare the temperature distribution in a straight fin of rectangular profile having a thickness of $2$ cm and a

length of $10$ cm and exposed to environment with convection coefficient of $25\frac{W}{m}2K,$ for three fin materials:

Copper $(K=385\frac{W}{m}K),$ Stainless Steel $(K=17\frac{W}{m}K),$ and glass $(K=0\mathrm{.}8\frac{W}{m}K).$ Also compare the relative

heat flows and fin efficiencips. Comment on your results.

$[$Ans: Copper