Question:
comparison between emission & absorption spectrum.
Answer:
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Emission spectra |
Absorption spectra |
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It is used in determining the composition of matter. |
It is also used in determining the composition of matter. |
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It is used a light source and spectrophotometer. |
It also used a light source and spectrophotometer. |
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It measures the wavelength of the emitted light after the atoms are excited with heat. |
The absorption spectra measures the wavelength absorbed by the atom |
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It emits all the colours in the electromagnetic spectrum |
In absorption spectra, few colours are missing because of the redirection of the re-emission of absorbed photons. |
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