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Define refractive index of a medium....

Define refractive index of a medium.

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The speed of light in a transparent medium is 2.5xx10^(8)m//s . Find the absolute refractive index of that medium.

Speed of light in air is 3 xx 10^8 m s^-1 and the refractive index of a medium is 1.5. Find the speed of light of in the medium.

The refractive index of a medium is dependent on the __________ .

The relative magnetic permeability of the medium is 2.5 and the relative electrical permittivity of the medium is 2.25 Compute the refractive index of the medium.

Light traveling from a transparent medium to air undergoes that internal reflection at an angle of incident of 45^(@) . Then refractive index of the medium may be

If the velocity of light in a medium is 2.25 xx 10^(8) ms^(-1) then the refractive index of the medium will be

SURA PUBLICATION-Light-Example
  1. State the laws of reflection.

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  2. If two plane mirrors are inclined to each other at an angle of 45^@, f...

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  3. Define refractive index of a medium.

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  4. State the Snell's law of refraction.

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  5. Explain the images formed by a concave mirror for different position o...

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  6. What is reflection? Write short notes on reguler and irregular reflec...

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  7. Explain the working of a periscope.

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  8. What is dispersion? Explain in detail.

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  9. Speed of light in air is 3 xx 10^8 m s^-1 and the refractive index of ...

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  10. Speed of light in air is 3 xx 10^8 m s^-1 and light in the medium is ...

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  11. We can see things around us only when the light reflected by them rea...

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  12. Light is a from of energy and it travels in a straight line.

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  13. The periscope is an optical device with a polished surface that reflec...

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  14. Curved mirrors have surface that are spherical, cylindrical,parabolic ...

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  15. Curved mirrors from the perfact image of an object.

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  16. Curved mirrors produce images that are eigher enlarged or diminished.

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  17. A thin layer of molten aluminium or silver is used for coating plates ...

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  18. The most common example of a convex mirror is the make-up mirror.

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  19. Assertion and Reason. Mark the correct choice as:Assertion:A ray incid...

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  20. Assertion and Reason. Mark the correct choice as:Assertion: Convex mir...

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