GRE (physics) practice problems

  • #1
dinunno
1
0
Hey, I think it would be beneficial for many if we started a thread that contained several problems (and hopefully solutions as well) that would be helpful in studying for the GRE. So, everyone, add a problem if you can (with solution!).
I'll go first:

Problem:
A sample of N atoms of helium gas is confined in a 1.0 cubic meter volume. The probability that none of the helium atoms is in a $1\times 10^{-6}$ cubic meter volume of the container is:
(a) 0
(b) (10^{-6})^N
(c) (1-10^{-6})^N
(d) 1-(10^{-6})^N
(e) 1


Solution:
(c)
 

Answers and Replies

  • #2
Reshma
749
4
It would be more helpful if you can show how You arrived at that solution. :biggrin:
 

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