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Write a note on optical fibre with neces...

Write a note on optical fibre with necessary. Diagram essential. State its Advantages.
OR
Describe construction and working of an optical fibre. What are the advantages of optical fibre communicationover electronic communication?

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CHETANA PUBLICATION-OPTICS-EXERCISE
  1. Explain Total internal reflection OR Under what conditionsistotal...

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  2. Name some applications based on Total Internal Reflection.

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  3. Write a note on optical fibre with necessary. Diagram essential. State...

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  4. Why is a prism binocular preferred over traditional binocular? Describ...

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  5. Write a note on periscope.

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  6. There is a tiny LED bulb, at the centre of the bottom of a cylindrical...

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  7. What are Lenses? Draw Diagrams for different types of lenses.

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  8. Derive an expression for refraction at a single spherical surface OR...

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  9. A glass paper weight (n = 1.5) of radius 3 cm has a tiny air bubble tr...

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  10. Derive the Lens Makers equation OR Derive lens makers' equation. W...

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  11. Starting from lensmakers equation explain how it gets modified in case...

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  12. Starting from lensmakers equation explain how it gets modified in case...

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  13. Starting from lensmakers equation explain how it gets modified in case...

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  14. A dense glass double convex lens (n = 2) designed to reduce spherical ...

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  15. A convex lens held some distance above a 6 cm long pencil produces its...

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  16. A point object is kept 10 cm away from one of the surfaces of a thick ...

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  17. What are different types of dispersion of light?

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  18. Explain angular dispersion at a single surface.

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  19. Define dispersion of light.

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  20. Which colour deviates maximum and which colour deviates minimum on dis...

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