How dose intensity of spectral line very with wave length??
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Explanation:
The number of photons of same frequency or wavelength ABSORBED or EMITTED" From what I understood, if many hydrogen atoms within the discharge tube EMIT the same wavelength, then, on passing the radiation through a prism, these waves will overlap on the photographic plate (Because all of them will get deflected to the same extent by the prism). Hence increasing the intensity. Is my understanding correct? Secondly, how can the number of photons of the same wavelength ABSORBED create any difference in the intensity of spectral lines? As far as I know, absorption only results in black lines on the bright background corresponding to the absorbed wavelengths.
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