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April 21, 2014

Homework Help: Physics

Posted by Samantha Farha on Monday, March 24, 2008 at 11:29am.

What wavelength photon would be required to ionize a hydrogen atom in the ground state and give the ejected electron a kinetic energy of 13.1 eV?

I tried ryhdberg's equation and E=hf. Need help.

Thanks

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