Heat TransferEasy
Question
Two indentical rods of copper and iron are coated with wax uniformly. When one end is kept at temperature of boiling water, the length upto which wax melts are 8.4 cm and 4.2 cm respectively. If thermal conductivity of copper is 0.92, then thermal conductivity of iron is
Options
A.0.23
B.0.46
C.0.115
D.0.69
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