What are the uses of light?

Answer 1

Visible light waves are used by the optic organs of humans and animals

for three primary purposes:

1). to see things, avoid bumping into them, and escape danger

2). to find stuff to eat

3). to find other similar living things with which to consort so as

to perpetuate the species.

Answer 2

Light has many uses, including providing illumination for visibility, as a source of energy in photosynthesis for plants, in communication technologies such as optical fibers, and in medical applications like laser surgery and phototherapy.

Answer 3

hospital candle lightbulb flashlight fluorescent lamp sun carlight