1.

4) State at least three applications of total internal1)Define(a)anof a prism anreflection.

Answer»

Applications of total internal reflection :

1] Totally reflecting prism are used in reflex cameras, binoculars and periscopes.

2] Optical fibres (thin fibres of high quality glass) are used in communications and endoscopy (the visual observation pf various internal body cavities) transmit light signals by total internal reflection.

3] A diamond gem is given strategic cuts so that total internal reflections give the gem its sparkling brilliance.



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