The wavelength of one of the spectral lines of helium is 492 nm. What is the energy of a photon with — Atomic Structure Chemistry Question
Question
The wavelength of one of the spectral lines of helium is 492 nm. What is the energy of a photon with this wavelength?
A.
3.26 x 10^-40 J
B.
3.26 x 10^-31 J
C.
4.04 x 10^-28 J
D.✓ Correct
4.04 x 10^-19 J
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