19.
Why is Tyndall effect shown by colloidal particles? State four instances of
observing the Tyndall effect.
Answers
Answer:Four instances of Tyndall effect as following
The visible beam of headlights in fog is caused by the Tyndall effect. The water droplets scatter the light, making the headlight beams visible. The Tyndall effect is used in commercial and lab settings to determine the particle size of aerosols.
Answer:
Tyndall effect is the phenomenon in which the particles in a colloid scatter the beams of light that are directed at them.
This effect is exhibited by all colloidal solutions.
When light is passed through a true solution, dissolved particles are too small to deflect the light. However, dispersed particles of a colloid being larger, do deflect light.
For example:
1) The Tyndall effect can be observed when a fine beam of light enters a room through a small hole.
2) When sunlight passes through the canopy of a dense forest.
3) Visible beams of headlights in fog is caused by the Tyndall effect.
4) When a beam of light is directed at the glass of milk, the light is scattered.
Explanation:
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