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Physics 416: WarmUp Exercises

...Ideal Gases

This assignment is due before 10 AM, Friday, February 4th, 2000.

Please type LAST name:

Please type your LAST NAME and LAST FOUR SS# digits (eg: Smith3256):

I received no help from anyone on this assignment.

The following questions refer to the material you were to read in preparation to the lesson. Each question requires you to write a paragraph or two in response.

You may change your mind as often as you wish. When you are satisfied with your responses, click the "Submit WarmUp" button at the bottom of this page.




1.


Note: Please reread §2.5 for this assignment, particularly the part titled "Special case: ideal gases in the classical limit" that starts on page 63.

Figure 2.5.1 shows a slice through a "sphere in momentum space." In your own words, please describe what " momentum space." is. Also, please explain in what sense the shape in question is a sphere.



2.

Estimate the area of a square that is "near" the surface (say, within 5 percent). What percentage of the whole area is this? Do the same for a cube. That is, estimate the volume that is within 5% of the surface. Can you do this in four dimensions? 40? 1023?





Below is a space for your thoughts, including general comments about today's assignment. What was hard or confusing (or cool)? What would you like to spend extra time on in class? Do you see how this subject fits in with the others we have discussed?




You may change your mind as often as you wish. When you are satisfied with your responses click the SUBMIT button.

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