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Which of the following is not due to tot...

Which of the following is not due to total internal reflection ?

A

Working of optical fibre

B

Difference between apparent and real depth of pond

C

Mirage on hot summer days

D

Brilliance of diamond

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DISHA-RAY OPTICS AND OPTICAL INSTRUMNTS-PHYSICS
  1. Light travels in two media A and B with speeds 1.8 × 10^(8) m s^(–1) a...

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  2. The refractive index of a glass is 1.520 for red light and 1.525 for b...

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  3. Which of the following is not due to total internal reflection ?

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  4. A body is located on a wall. Its image of equal size is to be obtained...

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  5. A concave mirror forms the image of an object on a screen. If the lowe...

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  6. A ray of light passes through an equilateral prism (refractive index 1...

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  7. The power of a biconvex lens is 10 dioptre and the radius of curvature...

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  8. A microscope is focused on a mark on a piece of paper and then a slab ...

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  9. What causes chromatic aberration?

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  10. The graph between angle of deviation (delta) and angle of incidence (i...

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  11. The ratio of thickness of plates of two transparent medium A and B is ...

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  12. A rectangular block of glass is placed on a mark made on the surface o...

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  13. If a glass prism is dipped in water, its dispersive power

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  14. In the given figure a plano-concave lens is placed on a paper on which...

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

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  16. Light propagates with speed of 2.2 xx 10^( 8) m//s and m/s 2.4 xx10 ^(...

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  17. A thin convergent glass lens (mug=1.5) has a power of +5.0D. When this...

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  18. A ray of light travelling inside a rectangular glass block of refracti...

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  19. A small coin is resting on the bottom of a beaker filled with a liquid...

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  20. A ray PQ incident on the refracting face BA is refracted in the prism ...

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