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The phenomenon utilised in an optical fi...

The phenomenon utilised in an optical fibre is

A

Refraction

B

Interference

C

Polarization

D

Total internal reflection

Text Solution

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The correct Answer is:
D
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ERRORLESS-RAY OPTICS-NCERT BASED QUESTIONS ( Total internal reflection )
  1. Which of the following is not due to total internal reflection ?

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  2. Pick out the correct staments about optical fibres from the following:...

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  3. The phenomenon utilised in an optical fibre is

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  4. Material A has critical angle i(A), and material B has critical angle ...

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  5. A ray of light passes from a medium A having refractive index 1.6. to ...

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  6. A passenger in an Aeroplan shall

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  7. The phenomena involved in the reflection of radio waves by ionosphere ...

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  8. A ray of light incident on a glass sphere (refractive index sqrt(3) ) ...

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  9. A point source of light is kept at a depth of h in water of refractive...

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  10. A fish looking up through the water sees the outside world contained i...

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  11. A light ray from air is incident (as shown in figure ) at one end of a...

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  12. Figure shows a mixture of blue, green and red coloured rays incident n...

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  13. A cubical vessel has opaque walls. An observer (dark circle in figure ...

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  14. Light enters at an angle of incidence in a transparent rod of refracti...

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  15. A glass prism (mu = 1.5) is dipped in water (mu = 4//3) as shown in ...

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  16. A ray of light is incident on the hypotenuse of a right-angled prism a...

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  17. The refractive indices of the material of the prism and liquid are 1.5...

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  18. A light bulb is at a depth of D below the surface of water. An opaque ...

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  19. An optical fiber consists of core of mu(1) surrounded by a cladding of...

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  20. A rod of glass ( mu = 1.5) and of square cross section is bent into t...

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