Finest gold sol is red in colour, as size of the particles increases, it appears purple, then blue and finally golden". What conclusion can be drawn from the above observation?

Question

Finest gold sol is red in colour, as size of the particles increases, it appears purple, then blue and finally golden". What conclusion can be drawn from the above observation? (A) Wavelength of scattered light depend upon size of particle (B) Wavelength of scattered light does not depend upon size of particle (C) Wavelength of scattered light depend upon the viscosity of the solution (D) None of the above

Tardigrade Admin · Accepted Answer

Larger size of particles, it scattered low wavelength of light as shown in the observation.

Q. Finest gold sol is red in colour, as size of the particles increases, it appears purple, then blue and finally golden". What conclusion can be drawn from the above observation?

Wavelength of scattered light depend upon size of particle

Wavelength of scattered light does not depend upon size of particle

Wavelength of scattered light depend upon the viscosity of the solution

None of the above

Larger size of particles, it scattered low wavelength of light as shown in the observation.