Question

A student dissloves about 200 g of sodium thiosulphate (hypo) in about 2L of clean water in die tank
and adds about 1 to 2 ml conc. H.SO, to the water,
What would he observe after the source of light S is switched on
1.from the three sides of the glass tank?
2.from the fourth side of the glass tank facing the circular hole?​

Answer 1

Answer:

A student dissloves about 200 g of sodium thiosulphate (hypo) in about 2L of clean water in die tank

and adds about 1 to 2 ml conc. H.SO, to the water,

What would he observe after the source of light S is switched on

1.from the three sides of the glass tank?

2.from the fourth side of the glass tank facing the circular hole?

Answer 2

Answer{A}__ the student observes blue light from the three sides of the glass tank on account of scattering of light of smaller wavelength by minute sized sulphur particles present in the colloidal solution

{B}__on the fourth side of the glass tank that is on the screen first student observe Orange red colour and then a bright Crimson red colour it is on account of the fact that light of longer wavelength is not scattered and reaches screen from other side of the water tank

THANK YOU

MARK AS BRAINLIEST