Final answer:
The Tyndall Effect is observed in colloids due to the scattering of light by larger particles, while solutions and suspensions lack this phenomenon. Colloids remain stable, with dispersed particles that do not settle, showing the uniqueness of the Tyndall effect in distinguishing them from solutions and suspensions.
Explanation:
The Tyndall Effect is observed only in colloids and not in suspensions and solutions because the particles in colloids are large enough to scatter light, making the beam visible. In contrast, the particles in solutions are too small to deflect light, resulting in transparency.
Colloids are stable and their dispersed particles do not settle due to their size, unlike suspensions. The Tyndall effect allows for the scattering of visible light by colloidal particles, distinguishing them from solutions and suspensions.
Examples of colloids where the Tyndall effect is observed include fog, smoke, and dust particles suspended in air, demonstrating the phenomenon of light scattering by large colloidal particles.
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