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Light travels fastest in vacuum.Why?...

Light travels fastest in vacuum.Why?

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SURA PUBLICATION-Light-Example
  1. Name the two types of spherical mirrors.

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  2. The angle between incident ray and reflected ray is 60^@. What is the ...

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  3. Light travels fastest in vacuum.Why?

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  4. Write the difference between real and virtual image.

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  5. Write the uses of concave lens.

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  6. A convex rear view mirrors is preferred over a plane mirror in a car. ...

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  7. What type of image is formed by a concave mirror?

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  8. Why do we need a shiny surface for reflection?

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  9. The radius of curvature of a spherical mirror is 18 cm What is the for...

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  10. What happens to light when it gets dispersed? Give an example.

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  11. If two mirrors are placed at an inclination of 30^@ then how many imag...

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  12. What is the speed of light in diamond if its refractive index is 2.41?

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  13. A light ray moves from glass (Vglass=2.0xx10^ ms^-1) to diamond (Vdiam...

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  14. Find the refractive index of wather with respect to glass if the refra...

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  15. The speed of light in air is 3xx10^8 ms^-1 and that in wather is 2.25x...

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  16. Differentiate between reguler and irregular reflection.

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  17. Explain the construction and working od kaleidoscope.

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  18. Explain the construction and working of periscope with a labelled diag...

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  19. Explain the uses of periscope.

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

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