Which of the following is a TRUE statement?

a. It is possible for heat to flow spontaneously from a hot body to a cold one or from a cold one to a hot one, depending on whether or not the process is reversible or irreversible.

b. It is not possible to convert work entirely into heat.

c. The second law of thermodynamics is a consequence of the first law of thermodynamics.

d. It is impossible to transfer heat from a cooler to a hotter body.

e. All of these statements are false.

Question

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Physics

13 August, 05:27

Which of the following is a TRUE statement?

a. It is possible for heat to flow spontaneously from a hot body to a cold one or from a cold one to a hot one, depending on whether or not the process is reversible or irreversible.

b. It is not possible to convert work entirely into heat.

c. The second law of thermodynamics is a consequence of the first law of thermodynamics.

d. It is impossible to transfer heat from a cooler to a hotter body.

e. All of these statements are false.

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Answers (1)

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Eva · Answer 1

e. All of these statements are false.

Explanation:

As we know that heat transfer take place from high temperature to low temperature.

It is possible to convert all work into heat but it is not possible to convert all heat in to work some heat will be reject to the surrounding.

The first law of thermodynamics is the energy conservation law.

Second law of thermodynamics states that it is impossible to construct a device which convert all energy into work without rejecting the heat to the surrounding.

By using heat pump, heat can transfer from cooler body to the hotter body.

Therefore all the answer is False.