How does the intensity of spectral line vary with wave length?
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i) Intensity always relates to amplitude and is not related to wavelength of the spectral line.
ii) Emission spectrum is a result of large number of light emitters in a given material, each radiating at a specific frequency.
iii) Net amplitude as a function of frequency will depend on statistical distribution of the emitters.
iv) For simplification, it can be said that intensity is brightness of the spectral line whereas the wavelength is the color of the spectral line. Such that they cannot be directly related.
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