Ncert Exercises & Solutions

These days people use steel utensils with copper bottom. This is supposed to be good for uniform heating of food. Explain this effect using the fact that copper is the better conductor.

Hint: The transfer of heat depends on the conductivity of the material.

As copper is a good conductor of heat as compared to steel. The steel utensils with copper bottom absorb heat more quickly than steel and give it to the food in the utensil. As a result, the food in the utensil is heated uniformly and quickly.

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