Q. 3 C5.0( 1 Vote )
Identify the mistakes and correct them:
An optical fibre is a device based on the principle of refraction.
An optical fibre works on the principle of total internal reflection.
When light enters the fibre at a very small angle, it undergoes multiple total internal reflections and reaches the other end. Optical fibre is widely used in communication purposes.
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Match the following:
a. Irregular reflection - Glass slab
b. Multiple reflection - Optic fibre
c. Refraction - Periscope
d. Total internal reflection – WoodTamilnadu - Science Term-3