Question

What is light? Mention it's two important use

Answer 1

Answer:

Light is electromagnetic radiation that can be detected by the human eye. Electromagnetic radiation occurs over an extremely wide range of wavelengths, from gamma rays with wavelengths less than about 1 × 10−11 metres to radio waves measured in metres.

Explanation:

Two Imp Uses :

1.Growth of Human body

2.Food formation

Answer 2

Light is very important to us . We can see things only when there is light . The sun is the natural source of light . Plants also cannot make thier food without sunlight . This shows us that we are completely dependent on light for all the necessary activities the two important use of light are :

1. Sun
2. bulb .

T.H .A .N.K.S