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Human Eye and Colourful World — Science STD 10 — Question

CBSE BoardEnglish MediumSTD 10ScienceHuman Eye and Colourful World1 Mark
Question
Give an example of a phenomenon where Tyndall effect can be observed.
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Answer

Examples of the tyndall effects are as under:
  1. Blue color sometimes seen in the smoke emitted by the motorcycle, particularly two stroke machines where the burnt engine oil provides the particles.
  2. Opalescent glass appears blue from the side but orange light shines through.
  3. Blue iris in an eye is due to tyndall scattering in a turbid layers in the iris.

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