Ingen-Hauz Experiment
Category : JEE Main & Advanced
It is used to compare thermal conductivities of different materials. If \[{{l}_{1}},\,\,{{l}_{2}}\] and \[{{l}_{3}}\] are the lengths of wax melted on rods as shown in the figure, then the ratio of thermal conductivities is \[{{K}_{1}}:{{K}_{2}}:{{K}_{3}}=l_{1}^{2}:l_{2}^{2}:l_{3}^{2}\]
\[\Rightarrow \] Thermal conductivity \[(K)\propto {{(\text{Melted length }l)}^{2}}\]
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