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Explain Total internal reflection OR ...

Explain Total internal reflection
OR
Under what conditionsistotal internal reflection possible? Explain it with a suitable example.
Define critical angle of incidence and obtain an expression for it.

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CHETANA PUBLICATION-OPTICS-EXERCISE
  1. A crane flying 6 m above a still clear water lake sees a fish under wa...

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  2. A glass slab of thickness 2.5 cm having refractive index 5//3 is kept ...

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  3. Explain Total internal reflection OR Under what conditionsistotal...

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  4. Name some applications based on Total Internal Reflection.

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

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

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  7. Write a note on periscope.

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

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

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

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

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

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

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

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

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

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

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

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  19. What are different types of dispersion of light?

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  20. Explain angular dispersion at a single surface.

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