Question

. In a beam of sunlight entering a room, we can sometimes see dust particles moving in a haphazard way in the air. Why do these dust particles move

Answer 1

hen a beam of light enters the room, it is scattered by the particles of dust and smoke in the air this is called tyndall effect. Due to this effect we see dust particles moving in a haphazard way in the air.

Answer 2

Explanation:

 When a beam of light enters the room, it is scattered by the particles of dust and smoke in the air this is called tyndall effect. Due to this effect we see dust particles moving in a haphazard way in the air.