Question

what is photochemical reaction?give an example

Answer 1

$\bf \purple {Hello\:Mate}$

$\bf \purple {Here\:is\:the\:Answer-}$

$\bf {Photochemical\:Reaction}$ is a reaction which is initiated by the absorption of light from sun.

The very basic example of Photochemical reaction is the process of photosynthesis performed by the plants. In this process, plants absorb sunlight and produce food which provide energy to the plant to grow and do all it's life processes such as respiration, excretion etc.