Suppose you have three bodies A, B and C. A and B are at same temperature. When B and C are brought in contact, heat flows from C to B until flow of heat stops. What will happen when A and C are brought in contact?

Heat will flow from A to C.

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Heat will flow from C to A.

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Heat will not flow.

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Insufficient information

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Solution

The correct option is B Heat will flow from C to A.
Suppose initially A and B are at a temperature T. When B and C are brought in contact, heat flows from C to B until flow of heat stops. As heat flows from C to B, the equilibrium temperature will be greater than T. So when A and C are brought in contact, heat will flow from C to A.

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Similar questions

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