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Confining an electron

  • Thread starter doublemint
  • Start date
  • #1
141
0
What is the smallest 1D box in which you can confine an electron if you want to know for certain that the electron's speed is no more than 10m/s?

I am guessing it has to do with the wave function, but I have no idea where to start...

Any help would be great!!

DoubleMint
 

Answers and Replies

  • #2
marcusl
Science Advisor
Gold Member
2,699
361
Think about the uncertainty principle...
 
  • #3
141
0
mmm i see it. v = p/m which p=h/2L where is the length of the box!
Thanks!
 

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