Question

An arrangement for observing scattering of light in colloidal solution explaination

Answer 1

i) Place a strong source of white Light at the f9qqs of the converging lens.

(iii) Allow the light beam to pass through a transparent glass tank containing clear water. In that clear water dissolve 200g sodium, thiosulphate in about 2 L of clean water in the tank and add 1 to2 mLof conc. H2SO4 acid.

(iii) Allow the beam of light to pass through a circular a hole made of a cardboard. Obtain a sharp image of the circular hole on screen by using converging lens.

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