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प्रश्न
Name the principle on the basis of which optical fibres work.
On what principle does optical fibre work?
Name the physical principle of optical fibers.
Name the physical principle on which the working of optical fibers is based.
Answer the following question briefly and to the point:
Name the physical principle on the basis of which optical fibres work.
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उत्तर
Optical fibres work on the principle of total internal reflection.
संबंधित प्रश्न
What do you understand by the deviation produced by a prism? Why is it caused?
Define critical angle for a given medium.
A ray of light is incident as a normal ray on the surface of separation of two different mediums. What is the value of the angle of incidence in this case?
Choose the correct option.
Angles of deviation for extreme colours are given for different prisms. Select the one having maximum dispersive power of its material.
Answer the following question.
What are the advantages of optical fibre communication over electronic communication?
Critical angle of light passing from glass to air is maximum for ____________.
The angle of minimum deviation produced by a thin glass prism in air is 'δ'. If that prism is immersed in water, the angle of minimum deviation will be ______.
( aμg = refractive index of glass w.r.t, air aμw = refractive index of water w.r.t. air)
Optical fibre communication uses the principle of ______.
Observe the given figure of the raindrop and answer the following questions:
- Label A and B of the given diagram. Why colour will deviate most.
- Name the phenomenon shown in label C.
Small air bubbles rising up a fish tank appear silvery when viewed from some particular angle is due to the ______.
