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The critical angle for total internal re...

The critical angle for total internal reflection in diamond is `24.5^(@)` The refractive index of the diamond is

A

2.41

B

1.41

C

2.59

D

1.59

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TARGET PUBLICATION-OPTICS-EXERCISE
  1. Critical angle of light passing from glass to air is maximum for

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  2. The refractive index of a medium with respect to air the critical angl...

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  3. The critical angle for total internal reflection in diamond is 24.5^(@...

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  4. The principle used in optical fibre is .

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  5. Optical fibre consists of large number of

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  6. Consider telecommunication through optical fibres. Which of the follow...

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  7. When a light is incident at one end of the fibre at a small angle, the...

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  8. The light entering into the fibre suffers

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  9. If I is the intesity of light entering into the optical fibre and IC i...

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  10. In periscopes, totally reflecting prisms are used which turns the ray ...

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  11. While deriving expression for refraction at single curved, surface, ...

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  12. The correct expression for refraction at single convex spherical surfa...

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  13. The reciprocalof ((mu(2)-mu(1))/(R)) gives the value of

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  14. A point object is situated in air at a distance of 20 cm from a convex...

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  15. The focal length of a lens depends upon

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  16. The lense formula with normal notation is given by

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  17. The lens maker's equation is given by

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  18. For convex lens, the radii of curvatures of the first and second surfa...

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  19. A beam of light is incident on a convex lens nparallel to its principa...

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  20. An object is kept at 0.2 m from a convex lens of focal length of 0.15 ...

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