Light is reflected in all directions by the air and dust particles.
A
True
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B
False
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Solution
The correct option is A True
The earth's atmosphere is a heterogeneous mixture of minute particles like smoke, tiny water droplets, suspended particles of dust, and molecules of air.
When a beam of light strikes such fine particles, the path of the beam becomes visible.
This phenomenon of scattering of light by such kinds of colloidal particles is called the Tyndall effect.