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Stainless steel pans are usually provided with copper bottoms. The reason for this could be that:
$(a)$. copper bottom makes the pan more durable.
$(b)$. such pans appear colourful.
$(c)$. copper is a better conductor of heat than the stainless steel.
$(d)$. copper is easier to clean than the stainless steel.
The correct answer is: $(c)$. copper is a better conductor of heat than stainless steel.
Explanation:
Stainless steel pans are usually provided with copper bottoms. The reason behind this is as follows-
Copper is a better conductor of heat than stainless steel
The food inside the pan will be cooked through heat transfer from the burner to the pan. The bottom of the pan remains in contact with heat. Copper is a better conductor of heat than stainless steel. It means that heat transfer from the burner to the food inside a pan with a copper bottom would be easier than using a pan with a bottom of stainless steel. This will save fuel too and cook food in a more efficient way.
Conclusion:
Stainless steel pans are usually provided with copper bottoms. The reason for this could be that copper is a better conductor of heat than stainless steel.
So, option $(c)$ is correct.
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