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Velocity of light in a medium is 1.5xx10...

Velocity of light in a medium is `1.5xx10^8 ms^-1`. Find the refractive index.

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MODERN PUBLICATION-REFLECTION AND REFRACTION-EXAMPLE
  1. The refractive index of diamond is 2.42 and that of glass is 1.5. find...

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  2. A ray of light of frequency of 5 xx 10^(14)Hz is passed through a liqu...

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  3. Velocity of light in a medium is 1.5xx10^8 ms^-1. Find the refractive ...

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  4. The refractive index of diamond is:

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  5. A ray of light passes from air to glass. The glass of incidence is 45^...

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  6. Velocity of light is equal to

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  7. An object of 3 cm height is placed at a distance of 60 cm from a conve...

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  8. An object 5.0 cm of length is placed at a distance of 20 cm in front o...

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  9. Define focal length of a lens

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  10. An object of 3 cm height is placed at a distance of 60 cm from a conve...

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  11. The image obtained with a convex lens is erect and its lenth is four t...

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  12. A pin of height 2 cm is placed on the principal axis of a converging l...

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  13. The image of the needle placed 10 cm from a lens is formed on a wall 2...

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  14. An object of size 3 cm is placed 14 cm in front of a concave lens of f...

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  15. Two thin converging lenses of focal lengths 0.15 m and 0.30 m are held...

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  16. Find the focal length and nature of a lens which should be placed in c...

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  17. The image of a candle flame placed at a distance of 30 cm form a spher...

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  18. Find the power of a convex lens which forms a real and inverted image ...

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  19. Define the principal focus of concave mirror.

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  20. The radius of curvature of a spherical mirror is 20cm.What is its foca...

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