The wavelength of one of the spectral lines of helium is 492 nm. What is the energy of a photon with this wavelength?
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626 \times 10^{-34} \, \text{J s}\)), \(c\) is the speed of light (\(3.00 \times 10^8 \, \text{m/s}\)), and \(\lambda\) is the wavelength of the photon. Show more…
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