Question

Tyndall effect depends on size of particles. Four solutions were investigated by a student to
understand this relation.
Solution a has colloidal paticles of 100 nano metre size ,Solution b has colloidal particles of
200 nano metre size ,Solution c has colloidal particles of 300 nano metre size and Solution
d has colloidal particles of 400 nano metre size. A laser beam is pointed towards these
solutions and observations were recorded. .
3a. Propose a research question
3b.Write down a suitable hypothesis with scientific explanation for the investigation

Answer 1

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