Light - Chapter Wise CBSE Solved Question and Answer Based On NCERT
Points To Remember:
Light from an object enters our eyes then we see the objects around us
Light is reflected from all surfaces
Regular reflection takes place when light is incident on smooth, polished and regular surfaces
Irregular reflection takes place from rough surfaces
There are two laws of reflection: the angle of incidence is equal to the angle of reflection and incident rays, reflected rays and normal rays drawn at the point of incidence to the reflecting surface lies in the same plane
Two mirrors inclined to each other give multiple images
Sunlight consist of seven colours
Splitting of light into its constituent colours is called as dispersion
Reflected light can be reflected again
We should take proper care of our eyes
Visually challenged persons can read and write by using Braille system
Visually challenged persons developed their other senses more sharply to improve their interaction with the environment