light properties

Question 1

what is light?

Answer 1

a light is an electromagnetic radiation which enables us to see

Question 2

how does light travel?

Answer 2

a light has a dual mature of travelling i.e. it can travel either in rays or in particles. A light can travel in vaccum. it always travels in a straight path.

Question 3

what is reflection?

Answer 3

the bouncing back of ray of light in the same medium it travelled in a straight line is called reflection.

Question 4

laws of reflection

Answer 4

1. angle of incidence,normal,angle of reflection all lie in the same plane
   2.angle of incidence=angle of reflection