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Absorption

In optics, absorption refers to the process by which the energy of a photon is taken up by another entity, for example, by an atom which makes a transition between two electronic energy levels. The photon is destroyed in the process.

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Sanskrit language

... vowels, which is used in various cases, but particularly when recording a shout, or a greeting.) Vowels (with approximate English equivalents) a - gut aa - father i ...