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He atom can be excited to 1s 1 2p 1 by wavelength 58.44 nm. If lowest excited state for He lies 4857cm -1 below the above. Calculate the energy for the lower excitation state.


He atom can be excited to 1s1 2p1 by wavelength 58.44 nm. If lowest excited state for He lies 4857cm-1 below the above. Calculate the energy for the lower excitation state.


Grade:

1 Answers

SAGAR SINGH - IIT DELHI
879 Points
10 years ago

Dear student,

You know the wavelength and wave number. Calculate the energy using simple direct formuka.

It comes out to be 3.3*10^(-18) J

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