Question

what is photochemical reaction ? Give and Example.​

Answer 1

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.

Answer 2

Answer:

Photochemical Reaction

The reaction which occur by the absorption of ligjt energy is known as Photochemical Reactions.

These reactions donot occur in dark only in the presence of light or some other radiations.

Examples

Photosynthesis: -This process only occur in the presence of light.

Formation of vitamin D in Humans by the explosure of sunlight