May 31, 2016

Homework Help: physics help

Posted by carey on Monday, January 23, 2012 at 6:21pm.

help me with this question
2. A hydrogen electron drops from the n=4 level to the n=1 level.

A. What is the energy of an emitted photon?

B. Calculate the frequency of the photon.

C. Calculate the wavelength of the photon.

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