Unitless ratio

  • Thread starter Tton
  • Start date
  • #1
I was wondering if any of you could help me out a little. I have this unitless ratio:

1/(1.36*10^23) = 7.33*10*(-24) = ((e^2)(k))/((c)(h))
(k=coulomb's constant & h = h-bar)

i need to know what the significance of this number is, and apparently there is a lot.
 

Answers and Replies

  • #2
selfAdjoint
Staff Emeritus
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This is the fine structure constant, denoted α. It sets the strength of the electromagnetic force.
 
  • #3
Brad_Ad23
502
1
i need to know what the significance of this number is, and apparently there is a lot.

Best line ever!
 

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