The Tyndall effect is a fundamental optical property utilized to confirm the presence of colloidal particles. What specific physical conditions must be strictly satisfied for the intense observation o

Question

The Tyndall effect is a fundamental optical property utilized to confirm the presence of colloidal particles. What specific physical conditions must be strictly satisfied for the intense observation of this effect?

Prashant Kotian · Accepted Answer

Correct answer: C. The Tyndall effect arises from the scattering of light by colloidal particles. It is only visibly intense if two conditions are met: the particle diameter is not much smaller than the light's wavelength, and there is a massive difference in the refractive indices of the two respective phases.

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