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jazzchan
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The question is:
A hydrogen atom absorbs a photon and makes a transition from a 3d level to a 4f level. What is the wavelength of the absorbed photon ?
As i know 3d is n = 3, 4f is n = 4
and wavelength = hc/delta E
so the deltaE is E4 - E3 or E3 - E4 ??
thanks..
A hydrogen atom absorbs a photon and makes a transition from a 3d level to a 4f level. What is the wavelength of the absorbed photon ?
As i know 3d is n = 3, 4f is n = 4
and wavelength = hc/delta E
so the deltaE is E4 - E3 or E3 - E4 ??
thanks..
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