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Which of the following is possible appli...

Which of the following is possible application of fibre optics?

A

Total internal reflection

B

Scattering

C

Diffraction

D

Refraction

Text Solution

Verified by Experts

The correct Answer is:
A
The working of optical fibres is based on the phenomenon of total internal reflection,
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ALLEN-GEOMETRICAL OPTICS-EXERCISE-05 (A)
  1. Two mirrors are kept at 60^(@) to each other and a body is placed at t...

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  2. Wavelength of light used in an optical instrument are lambda1= 4000 Å ...

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  3. Which of the following is possible application of fibre optics?

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  4. Large aperture of telescope are used for

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  5. The image formed by an objective of a compound microscope is

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  6. To get three images of a single object, one should have two plane mirr...

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  7. A light ray is incident perpendicularly to one face of a 90^circ prism...

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  8. A plano-convex lens of refractive index 1.5 and radius of curvature 30...

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  9. A fish looking up throughthe water sees the outside the world, contain...

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  10. Two point white dots are 1mm apart on a black paper. They are viewed b...

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  11. A thin glass (refractive index 1.5) lens has optical power of-5 D in a...

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  12. The refractive index fo glass is 1.520 for red light and 1.525 for blu...

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  13. Two lenses of power -15D and +5 D are in contact with each other. The ...

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  14. A student measuring the focal length of convex lens by putting an obje...

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  15. A transparent solid cylindrical rod has a refractive index of (2)/(sqr...

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  16. The XY plane is the boundary between two tranparednt media. Medium 1 w...

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  17. A car is fitted with a convex side-view mirror of focal length 20 cm A...

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  18. When monochromatic red light is used instead of blue light in a convex...

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  19. A beaker contains water up to a height h1 and K oil above water up to...

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  20. An object 2.4 m in front of a lens forms a sharp image on a film 12cm ...

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