Which one of the following is a true statement?
A) It is impossible to transfer heat from a cooler to a hotter body.
B) The second law of thermodynamics is a consequence of the first law of thermodynamics.
C) It is not possible to convert work entirely into heat.
D) 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.
E) All of these statements are false.

Question

Quizplus · Accepted Answer

A) This statement is false because it is possible to transfer heat from a cooler to a hotter body with the help of external work, as in a refrigerator. B) The second law of thermodynamics is not a consequence of the first law; it is an independent principle that introduces the concept of entropy. C) This statement is false because it is entirely possible to convert work into heat, as seen in frictional processes. D) This statement is false because heat spontaneously flows from a hot body to a cold one in natural processes, and not the other way around without external work. Therefore, all of these statements are false.

Which One of the Following Is a True Statement