REFRACTION OF LIGHT WAVES
CONTENT
- Refraction of Light Through a Rectangular Glass Block and a Triangular Glass Prism
- The Laws of Refraction
- Critical Angle and Total Internal Reflection of Light
- Applications of Total Internal Reflection
- Refraction of Light Through Lenses
- Terms as Applied to Lenses
- Construction of Rays for Images Formed by Lenses
- Lens Formula
- Sign Conventions for Lenses
- Dispersion of White Light
- Production of Pure Spectrum
- Coloured Filters and Pigments
Refraction of Light Through a Rectangular Glass Block and a Triangular Glass Prism
(a) Refraction of Light Through a Rectangular Glass Prism
Refraction is a change in direction of light rays as the rays travel from one medium to another media of different density. Refraction takes place when light travels from air to glass or from air to water.
OA is the incident ray, OB is the refracted ray. Angle of incidence (i) is the angle the ray makes with the normal ON in air.
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