State the laws of refraction of light. State at least three examples of refraction of light.

State the two laws of reflection of light.

State laws of reflection of light.

State the Snell's laws of refraction of light.

What is the cause of refraction of light?

Huygen.s principle of secondary wavelets can be used to a) deduce the laws of rectraction of light b) deduce the laws of refraction of light c) explain the transverse nature of light waves d) predict the location of a wavefront as time passes

State the laws of refraction of light. Explain the term 'absolute refractive index of a medium' and write an expression to relate it with the speed of light in vacuum.

What is meant by refraction of light?

(a) Define refraction and state at least three examples of refraction. (b) Describe dispersion of white light into its constituent colours.

State Huygens' principle of diffraction of light.

Refraction of light in the eye occurs at :