John Tyndall was a scientist who discovered the phenomenon of light scattering by colloidal particles. The Tyndall effect is named after him in recognition of his pioneering work in this area.
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The Tyndall effect enables the detection of particles in the air by observing the scattering of light, which occurs when light encounters particles such as dust, smoke, or water droplets.
The Tyndall effect occurs in misty forest canopies due to the scattering of sunlight by the colloidal water droplets suspended in the air.
In a dense forest, sunlight passing through the canopy encounters mist containing tiny water droplets, which act as colloidal particles dispersed in the air, causing light scattering.
The Tyndall effect is observed when a fine beam of light enters a room through a small hole, with light scattering off dust and smoke particles in the air.