What is the Physical Interpretation of Entropy?

AI Thread Summary
The discussion centers on the physical interpretation of entropy, emphasizing that it quantifies the amount of information needed to define the microscopic state of a system. For example, in a gas container, entropy reflects the information required to detail the position and momentum of each molecule. Participants were initially redirected to appropriate forums for their questions, highlighting the importance of using the correct discussion areas. The conversation also notes that the search feature can provide additional insights on the topic. Overall, the thread illustrates the foundational concept of entropy in physics.
Vishnu Kaushik
Messages
3
Reaction score
0
[Mentor's Note: Thread moved from the New Member Introduction to General Physics]

what are the physical interpertation of entropy?
 
Last edited by a moderator:
Science news on Phys.org
Hi Vishnu.

This is not the appropriate area for you to ask that question. This is for introductions only. Please pose your question in one of the other forums on PF.

Welcome to PF, by the way.

Regards
Stevie
 
StevieTNZ said:
Hi Vishnu.

This is not the appropriate area for you to ask that question. This is for introductions only. Please pose your question in one of the other forums on PF.

Welcome to PF, by the way.

Regards
Stevie
Hiii Stevie
Thanks to inform me for this. Where can I pose my question? please tell me the sufficient area.
 
Vishnu Kaushik said:
Hiii Stevie
Thanks to inform me for this. Where can I pose my question? please tell me the sufficient area.

I've already moved this thread to the general physics forum.
 
You can try the search feature to find many answers on this topic.
Entropy is the amount of information required to specify the exact microscopic state of everything in a system. So, for a container of gas, this is the amount to specify the position and momentum of each molecule in the container, and possibly some more information of specify rotation angles and angular momentum depending on the degrees of freedom of the molecules.
 
Khashishi said:
You can try the search feature to find many answers on this topic.
Entropy is the amount of information required to specify the exact microscopic state of everything in a system. So, for a container of gas, this is the amount to specify the position and momentum of each molecule in the container, and possibly some more information of specify rotation angles and angular momentum depending on the degrees of freedom of the molecules.
thanx for the answer
 
Been around 40 years since I took basic physics in college and while I remember doing some examples of insulation values / energy conduction, I doubt I could to the math now even if I could find the formulas. I have some some corrugated plastic sheet (think of the plastic signs you see on the side of the road) that is used in bee hives. Also have some used in a green house though a bit different in dimensions than this example but the general approach should still apply. Typically, both...
Problem: You’re an Uber driver with a Tesla Model 3. Today’s low: 30F, high: 65F. You want to reach a USD$ profit target in the least number of hours, but your choices could have added cost. Do you preheat the battery only when you are headed to the charging station (to increase the charging rate by warming the battery — however the battery might not be “warm enough” when your reach the charger and thus slower charging rates), or do you always “navigate to the charger” the entire day (which...
Thread 'Is Callen right in claiming dQ=TdS for all quasi-static processes?'
Hello! I am currently reading the second edition of Callen's Thermodynamics and an Introduction to Thermostatistics, and I have a question regarding Callen's definition of quasi-static. On page 96, Callen says: Another way of characterizing Callen's definition is that a process is quasi-static if it traces out a continuous curve in the system's configuration space. So far it's all well and good. A little later, Callen claims that the identification of $$TdS$$ as the heat transfer is only...
Back
Top