Homework Help: Physics

Posted by Christina on Saturday, April 26, 2008 at 10:59pm.

Background: A monochromatic laser is exciting hydrogen atoms from the n=2 to state to the n=5 state.

Question: What is the shortest wavelength observed?
-I believe that it will be from n=5 to n=4, but I am not sure what equation to use or how to use the n values...

Answer: ?? nm

Physics - bobpursley, Saturday, April 26, 2008 at 11:55pm
short wavelenght, highest energy. Highest energy means greatest possible change.

So calculate yours, then try 2 to 5

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