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Question

Which below stated statement is INCORRECT about a reservoir of heat?

A.

It has a constant temperature

B.

It is also known as thermal bath

C.

It has an infinite heat capacity

D.

There exist no real heat reservoirs

Answer ( Option D)

There exist no real heat reservoirs

Solution

Ÿ    A thermal heat reservoir or simply a reservoir, is a special kind of system that always remains at constant temperature even though energy is added or removed by heat transfer.

Ÿ     A reservoir of heat also referred as heat bath or thermal bath.

Ÿ    A thermal reservoir, is a thermodynamic system with a heat capacity so large that the temperature of the reservoir does not change when a reasonable amount of heat is added or extracted.

Hence, the correct option is (D).

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