When sodium is excited in a flame, two ultraviolet spectral lines at (wave length symbol)=372.1 nm and (wave length symbol)=376.4 nm respectively are emitted. Which wavelength represents photons with a) high energy? b) longer wavelengths? c) higher frequencies?

Question

When sodium is excited in a flame, two ultraviolet spectral lines at (wave length symbol)=372.1 nm and (wave length symbol)=376.4 nm respectively are emitted. Which wavelength represents photons with  a) high energy? b) longer wavelengths? c) higher frequencies?

aaronq · Answer

higher energy = shorter wavelength = higher frequency

anonymous · Answer

Thanks!!! That makes perfect sense!

aaronq · Answer

no problem !