- The inside surface of a prism behaves like a mirror and forms a laterally inverted image as shown in the figure.
- This happens because when the light rays in the prism strike the surface of the prism.
- The light rays are said to be internally reflected.
- This phenomenon occurs when light travels from a denser medium into a less dense one, such as when light travels from glass into air.
Phenomena of total internal reflection
A light ray is refracted, dispersed and reflected internally in a raindrop.
- A rainbow is formed by refraction, dispersion and total internal reflection of light within water droplets.
- When the sunlight shines on millions of water droplets in the air during and after rain, we can see multicoloured arc.
- The light that forms the primary rainbow is first refracted and disepered in the water droplet.
turtle in the see
rising sun
- -Optical fiber, which are used in endoscope and telecommunication.
- -Rain sensors to control automatic windscreen /windshield wipers.
- -Prismatic binocular use the principle of total reflection to get a very clear image.
- -Gonioscopy to view the anatomical angle formed between the eye’s cornea and iris.
