Question

When a beam of sunlight enters a room through a window, we can see tiny particles X suspended in a gas( mixture of gases) which are moving rapidly in a very haphazard manner.
A) What could particles X be?
B) Name the gas (or mixture of gases).
C) What is the phenomenon exhibited by particles X known as?
D) What is causing the movement of particles?
E) What conclusion does the existence of this phenomenon give us about the nature of matter?

Answer 1

A) the particles can be dust particles
B) Air
C) The phenomena exhibited by particle x is Known as Tyndall effect.
D) The Movement of particles is caused due to loosely packed air molecules.
E) This phenomena shows that air filled with dust particles is a colloid( aerosol).



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Answer 2

1) the particles can be dust particles

2) Air

3) The phenomena exhibited by particle x is Known as Tyndall effect.

4) The Movement of particles is caused due to loosely packed air molecules.

5) This phenomena shows that air filled with dust particles is a colloid