A cylindrical metallic rod has radius and length

PHYSICS · Subjective · CBSE · Physics · Thermal Properties of Matter · Thermal Properties of Matter

Problem

A cylindrical metallic rod has radius

1.0\text{ cm}

and length

25\text{ cm}

. One end of the rod is placed into a large chunk of ice at

0\text{ }^{\circ}\text{C}

and the other in boiling water at

100\text{ }^{\circ}\text{C}

. The thermal conductivity of the rod is

350\text{ W m}^{-1}\text{ K}^{-1}

. Estimate how long it will take to melt

1\text{ g}

of ice. It takes about

334\text{ J}

to melt

1\text{ g}

of ice at

0\text{ }^{\circ}\text{C}