Entropy or Quantum Mechanics ?

In summary, the conversation discusses the comparison between the difficulty levels of understanding and solving the entropy problem and quantum mechanics problem. Both of these are subjects of research and have open questions, making it difficult to determine which one is easier. The question also raises the issue of how much time is needed to fully understand both topics. However, it is noted that the level of difficulty and the sequence of studying these topics has already been planned and should not be a cause for obsession.
  • #1
Peter25samaha
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is entropy problem easiest than quantum mechanics problem which one is more complicated to understand and to solve ?
 
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  • #2
What exactly does "entropy problem" and a "quantum mechanics problem" mean? Homework problems? Then it depends on the problem and your knowledge about entropy and quantum mechanics.
 
  • #3
mfb said:
What exactly does "entropy problem" and a "quantum mechanics problem" mean? Homework problems? Then it depends on the problem and your knowledge about entropy and quantum mechanics.
No its not like this search on wikipedia there is a problem in entropy and another in quantum mechanics both aren't discovered yet . I simply want to know which one is easiest . Its not a homework in general is entropy hardest or quantum mechanics ?
 
  • #4
Peter25samaha said:
No its not like this search on wikipedia there is a problem in entropy and another in quantum mechanics both aren't discovered yet . I simply want to know which one is easiest . Its not a homework in general is entropy hardest or quantum mechanics ?
Surely if the solution to the problems you mention haven't been discovered yet, then there is no way to say which is harder and any answer would just be speculation. Anyway, you should link the aforementioned Wikipedia articles, so that anyone reading knows what you are on about.
 
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  • #5
  • #6
There is no fundamental problem with either of them. There are open questions, points where future research might improve our knowledge. That usually happens in many small steps, so you cannot quantify the effort necessary to advance knowledge by a specific amount, not even for research done in the past.
 
  • #7
mfb said:
There is no fundamental problem with either of them. There are open questions, points where future research might improve our knowledge. That usually happens in many small steps, so you cannot quantify the effort necessary to advance
knowledge by a specific amount, not even for research done in the past.
My question should be different then . Wich one of these 2 need more time to undertand well all about it
 
  • #8
Peter25samaha said:
My question should be different then . Wich one of these 2 need more time to undertand well all about it

This is a head-scratcher.

Entropy is a subject area in Thermodynamics/statistical mechanics. Quantum mechanics is a whole subfield, on par with thermodynamics. In fact, in many areas, those two overlap quite a bit that one have quantum statistics and quantum entropy.

So your question is extremely puzzling.

You also seem to be in this never-ending loop of finding out what category is what, and what to do ahead of which, etc...etc. based on you previous posts. I've never come across someone so obsessive in something as trivial as this. If you are planning on going to school to study all this, rest assured that the sequence and level of difficulties have already been planned that this should not be something that you need to be obsessed over. There are other BIGGER things to worry about.

Zz.
 

1. What is entropy in physics?

Entropy is a measure of the disorder or randomness in a system. In physics, it is often used to describe the amount of energy that is unavailable to do work in a closed system.

2. How is entropy related to the second law of thermodynamics?

The second law of thermodynamics states that in a closed system, entropy will always increase over time. This means that the disorder or randomness in the system will always tend to increase, and energy will become less available to do work.

3. What is the connection between entropy and information theory?

In information theory, entropy is used to measure the amount of uncertainty or randomness in a system. The higher the entropy, the less predictable the system is. This relationship is also seen in the second law of thermodynamics, where the increase in entropy leads to less available energy and more disorder.

4. How does quantum mechanics relate to entropy?

In quantum mechanics, entropy is used to describe the uncertainty in the state of a system. The more uncertain the state of a system is, the higher the entropy. This is related to the probabilistic nature of quantum mechanics, where the exact state of a system cannot be determined with 100% certainty.

5. Can entropy be reversed or decreased?

According to the second law of thermodynamics, entropy will always increase in a closed system. However, in certain scenarios, it is possible to decrease or reverse entropy through external energy inputs. This is seen in processes such as refrigeration, where external energy is used to decrease the entropy of a system (e.g. cooling a room). However, the overall entropy of the closed system (e.g. the room and the refrigerator) will still increase.

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