Sometimes it is described as a state of disorder and sometimes it is called the inavalability of the thermal of energy of the system to do mechanical work.
So
How exactly is entropy defined?
Also, how does it explain why time flows in one direction.
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2$\begingroup$ Does this answer your question? Clear up confusion about the meaning of entropy $\endgroup$– hftCommented Aug 23, 2023 at 5:26
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1$\begingroup$ Or this: physics.stackexchange.com/q/235511 $\endgroup$– hftCommented Aug 23, 2023 at 5:26
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$\begingroup$ Yes @hft ,it does clear my doubt... $\endgroup$– Haria KumarCommented Aug 23, 2023 at 5:29
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1 Answer
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There are at least two different definitions of "entropy" in use today. The "right" definition depends on the specific field of interest in which the term arises.
Shannon entropy is defined in the realm of information science, and thermodynamic entropy is defined in the realm of thermophysics or heat engine design.
The answers to your questions depend on what type of entropy you mean.
answered Aug 23, 2023 at 5:20
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$\begingroup$ ive used the thermodynamics tag $\endgroup$ Commented Aug 23, 2023 at 5:25