- #1

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## Homework Statement

Hi

I am told that 1 (E)

^{1/2}= 9.045Å

^{-1}, where

*E*is the energy in meV. How do I find out what 1 meV is in Å from that? All I can get is the correspondence between meV and Å

^{-2}, not meV and Å.

- Thread starter Niles
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- #1

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Hi

I am told that 1 (E)

- #2

Delphi51

Homework Helper

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What does the Å represent?

Do the 1 and 9.045 have units?

Maybe your job is just to solve the equation for Å, and put in 1 MeV for E. Not a clear question in my opinion - if you have posted all of it. Normally the 1 MeV would be changed into standard units of energy (Joules) but I don't know what you should do in this case.

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