When a beam of sunlight enters a dusty room, its path becomes visible to us. Which effects of light is discussed here?
A
Dispersion
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B
Refraction
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C
Tyndall
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D
Reflection
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Solution
The correct option is C Tyndall The Tyndall Effect is caused by reflection of light by very small particles in suspension in a transparent medium. An example of Tyndall effect is the reflection of light by dust in the air when sunlight comes in through a window, or comes down through holes in clouds