A metal surface is illuminated by the photons of energy 5 eV and 2.5 eV respectively. The ratio of their wavelength is.

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A metal surface is illuminated by the
photons of energy 5 eV and 2.5 eV
respectively. The ratio of their wavelength is.
Transcribed Image Text:A metal surface is illuminated by the photons of energy 5 eV and 2.5 eV respectively. The ratio of their wavelength is.
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