What is dispersion?
Bending of light in the same medium after hitting a polished surface.
Bending of light in diffrent medium.
Splitting of white light into 7 constituent colours .
Changing of original path of light when it hits tiny colloidal particles.
Splitting of white light into its 7 constituent colours depending upon their wavelength is called dispersion.
Fill in the blanks
(1) The phenomenon of splitting of light into its component colours is _______
(2) Very fine particles mainly scatter _______ light.
(3) The phenomenon of change in the _______ of light when it passes from one transparent medium to another is refraction.
(4) The refractive index depends upon the _______ of propagation of light in different media.