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प्रश्न
State the conditions required for total internal reflection of light to take place
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उत्तर
Conditions necessary for total internal reflection to take place are
1) Light must travel from a denser medium to a rarer medium.
2) The angle of incidence must be greater than the critical angle for the pair of media.
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संबंधित प्रश्न
Draw diagram to illustrate the total internal reflection.
Write down the relationship between the critical angle and the refractive index of the medium.
Name the factors affecting the critical angle for the pair of media.
Answer the following question.
Why is prism binoculars preferred over traditional binoculars? Describe its working in brief.
A particle is projected such that the horizontal range and vertical height are equal. Then the angle of projection is :
The outer concentric shell in optic fiber is called ______.
What is the phenomenon used in optical fiber? Explain.
Write any two uses of total internal reflection.
Find the value of θ in the given figure.
- Assertion (A): Propagation of light through an optical fibre is due to total internal reflection taking place at the core-cladding interface.
- Reason (R): Refractive index of the material of the cladding of the optical fibre is greater than that of the core.
