Understanding Macroscopic Variables: Exploring Scale in Scientific Measurements

In summary, a macroscopic variable is a measurable quantity that describes the collective behavior of a large number of microscopic particles in a system, also known as a thermodynamic variable. This means that while the variable may remain constant at the macroscopic level, there is still continuous activity at the micro level. This definition can be found in various sources, such as the MIT OpenCourseWare and a research paper from the American Physical Society. However, it should be noted that this definition is often used in reference to magnetic flux and may not be specific enough for the given context.
  • #1
imy786
322
0

Homework Statement



what is meant by the term macroscopic as used in the phrase macroscopic variable

(4 marks)

Homework Equations





The Attempt at a Solution



larger scale...

dont know what else to add..
 
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  • #2
Did you try researching it?
 
  • #3
yes ..dont get it

http://ocw.mit.edu/NR/rdonlyres/Physics/8-044Spring-2004/8A872FAF-9F56-4EB6-A468-EC4CD4DEF55D/0/lec9.pdf
 
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  • #4
"(...) macroscopic variables, which represent the collective motion of a large number of microscopic particles (...)"

Seems I can find some definitions. Is that specific enough?
 
  • #5
Macroscopic Variable A measurable quantity used to describe the gross state of the system. It depends collectively on the behavior of all the atoms and molecules. These are also referred to as thermodynamic variables. a macroscopic variable may be constant over time for a system, yet there will almost cetainly be continuous activity at the micro level.


anything else i can add...or does this make sense
 
  • #6
Husky can you please tell me exactly were you quoted your definteion from.
Thanks
 
  • #7

What is Macroscopic Variable?

A macroscopic variable is a physical quantity that can be measured and observed at a large scale, typically with the naked eye, as opposed to microscopic variables that can only be measured with specialized tools such as microscopes.

Why is it important to study Macroscopic Variables?

Macroscopic variables play a crucial role in understanding and predicting the behavior of systems in the real world. They can provide valuable information about the state of a system and how it responds to changes in its environment.

What are some examples of Macroscopic Variables?

Some common examples of macroscopic variables include temperature, pressure, volume, mass, and energy. These variables can be measured and described in terms of their numerical values and units.

How are Macroscopic Variables different from Microscopic Variables?

The main difference between macroscopic and microscopic variables is the scale at which they are observed. Macroscopic variables are measured at a large scale and can be directly observed, while microscopic variables require specialized equipment and can only be observed indirectly.

Can Macroscopic Variables change over time?

Yes, macroscopic variables can change over time as the state of a system changes. For example, the temperature of a substance can increase as it is heated, or the volume of a gas can decrease as it is compressed. These changes in macroscopic variables can be studied and analyzed to understand the behavior of a system.

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