Physics, asked by rajaumerrathore09, 1 month ago

When ultraviolet light falls on certain dyes ,visible light is emitted.why this is not happen when infrared light falls on the dyes?

Answers

Answered by aefcd
3

Answer:

Explanation:

it does happen in some cases.

But in order for that to happen, the dye molecule must absorb two infrared photons within a few nanoseconds of each other. This happens when using an intense short pulse light source such as a Q-switched laser.

Answered by ROOPRAY
1

Answer:

BECAUSE THEY ARE WEAK

Explanation:

ULTRAVIOLET LIGHT BEING STRONGER AND HARMFUL TO NAKED HUMAN EYES EMITS VISIBLE LIGHTS WHEREAS INFRARED BEING VERY WEAK(COMPARED TO ULTRAVIOLET RAYS)DO NOT PERFORM THE SAME ACTION

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