Question

Q. what is the reason behind luminescence or tell someone it's mechanism?​

Answer 1

$\Huge\tt\red{Answer}$

.Luminescence is spontaneous emission of light by a substance not resulting from heat; or "cold light". It is thus a form of cold-body radiation. It can be caused by chemical reactions, electrical energy, subatomic motions or stress on a crystal.

Answer 2

Luminescence is spontaneous emission of light by a substance not resulting from heat; or "cold light". It is thus a form of cold-body radiation. It can be caused by chemical reactions, electrical energy, subatomic motions or stress on a crystal.

$\huge{ \mathfrak{ \purple{ ItzMaira}}}$