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Quote: dark spectral lines occur when the light frequency is nearly the natural frequency and the light is absorbed
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Topic:
chemistry
Topic:
light
Quotation Skeleton
if the light frequency … is very close to [the natural frequency of the gas or material] then the resonance … can become small compared to [the dampening term] … The absorption of light becomes the dominant effect. … we receive from the sun. The light from … light has been strongly absorbed at the resonant … From such measurements we know that the chemical … the earth. Google-1 Google-2
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Additional Titles
Quote: from the sun's spectral lines we know that the chemical elements in the sun and stars are the same as those on earth
Topic: chemistry (11 items)
Topic: light (37 items)