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Provide one sentence definitions for the following terms: fluorescence, phosphorescence, chemiluminescence, and photosensitization. Thank you!

Provide one sentence definitions for the following terms: fluorescence, phosphorescence, chemiluminescence, and photosensitization.

Thank you!

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Answer #1

Fluorescence: It is the emission of light (photon) by any atom or substance that has absorbed light.

[Due to this atom is undergoes excitation state and the emits the light radiation in the form of photon and comes at ground state such emission of photon (light) is not continues when source is removed emission stopped. average life time is less than 10–8 seconds]

Phosphorescence: The delayed fluorescence is called as Phosphorescence

[It is the emission of light (photon) by any atom or substance that has absorbed light even the source is removed emission is continued for short span and average life time is greater than 10–8 seconds]

Chemiluminescence;

It is emission of light takes place when chemical reaction was carried out.

Photosensitization:

It is one of the molecule that created chemical changes when photochemical reaction was carried.

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