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Example Questions
Example Question #1 : Understanding The Third Law Of Thermodynamics
An object can never reach absolute zero in a finite number of steps. Which of these laws supports this statement?
Possible Answers:
Second law of thermodynamics
This statement is not supported by a standard law of physics
Third law of thermodynamics
Newton's first law
First law of thermodynamics
Correct answer:
Third law of thermodynamics
Explanation:
The third law of thermodynamics states that it is impossible to decrease the temperature of a system to absolute zero in a finite number of steps. To do so would require that the entropy of the system also reaches zero, suggesting that the atoms cease vibrating in the material and it has zero net energy. Such a process is not possible.
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