Question

what is light ? how it use
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Answer 1

Explanation:

Light is the sole source of food generation for all living organisms on the earth. ... Plants and other autotrophs synthesize their own food materials by use of light. The light converts to reserve energy in the form of food by a process known a photosynthesis. Here the light energy is used to synthesize carbohydrates

Answer 2

Answer:

Light is electromagnetic radiation that shows properties of both waves and particles.

uses:

Light energy is used to help us see – either naturally using the Sun or fire, or with manmade objects like candles or lightbulbs. Light energy is also used by plants, which capture the light energy from the Sun and use it to produce their food.