Question

2. Identify the below given phenomenon.


please say it​

Answer 1

The given phenomena shows that light travels in a straight line.

Answer 2

The phenomenon is Tyndall effect.

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• The eath's atmosphere is a heterogeneous mixture of minute particles . These particles include smoke , tiny water droplets, suspended particles of dust and molecules of air. When a beam of light strikes such a fune particles, the path of the beam becomes visible. The light reaches ys , after being reflected diffusely by these particles. The phenomenon of scattering light by which the colloidal particles is called Tyndall effect.

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