Which one of the following will scatter light and why?
a)Soft drink b) Blood c) Starch Solution d) Tincture Iodine e) Milk
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Solution
Substances which will scatter light are-
b) Blood
c) Starch solution
e) Milk
Only these will show scattering of light because these are colloidal solution and colloidal particles a scatter light as a result of which the path of the beam becomes visible. This phenomenon is called tyndall effect.
Rest of the solutions are true solutions. Therefore do not show tyndall effect.