A photon carries energy

PHYSICS · Multi-part · Fermi University Physics · Atomic, Molecular & Optical Physics · One-electron atoms and the origins of atomic structure · One-electron atoms and the origins of atomic structure

Reading the Spectrum, Ch Lines, series and the term diagram: what a spectrometer measures

Problem

A photon carries energy E=3.4019 eVE = 3.4019\,\mathrm{eV}, corresponding to a line already quoted as a vacuum quantity. ((a)) Find the wavenumber ν~\tilde\nu in cm−1\mathrm{cm^{-1}}. ((b)) Find the vacuum wavelength in nm.

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