Question

Assertion (A) : When a beam of light was passed through water containing a few drops of milk
the path of the light becomes visible

Reason (R) : Colloidal solution shows Tyndall effect.

a) Both assertion and the reason are true and reason is the correct explanation of assertion.

b) Both assertion and reason are true but reason is not the correct explanation of assertion.

c) Assertion is true and reason is false.

d) Assertion is false and reason is true. ​

Answer 1

: a) Both assertion and the reason are true and reason is the correct explanation of assertion.

When a beam of light is passed through a colloidal solution, placed in a dark room the beam of light is scattered by the colloidal particles and the path of the beam becomes visible. The phenomenon is called Tyndall effect.

: .