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Refractive indices of kerosene,turpentin...

Refractive indices of kerosene,turpentine and water are 1.44, 1,47 and 1.33 respectively, in which material does the light travel fastest and why?

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MBD -HARYANA BOARD-LIGHT:REFLECTION AND REFRACTION-EXAMPLE
  1. What will be the speed of light in water if it is given that the refra...

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  2. Find out, from Table 10.3, the medium having highest optical density. ...

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  3. Refractive indices of kerosene,turpentine and water are 1.44, 1,47 and...

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  4. The refractive index of diamond is 2.42. What is the meaning of this s...

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  5. Define one dioptre of power of a lens.

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  6. What is the unit of power of a lens ? Define it .

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  7. A convex lens forms a real and inverted image of a needle at a distanc...

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  8. Find the power of a concave lens of focal length 2 m.

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  9. Which one of the following materials cannot be used to make a lens ?

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  10. The image formed by a concave mirror is observed to be virtual, erect ...

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  11. Where should an object be placed in front of a convex lens to get a re...

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  12. A spherical mirror and a thin spherical lens have each a focal length ...

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  13. No matter how far you stand from a mirror, your image appears erect. T...

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  14. Which of the following lenses would you prefer to use while reading sm...

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  15. We wish to obtain an erect image of an object, using a concave mirror ...

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  16. Name the type of mirror used in the following situations : (a) Head ...

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  17. Name the type of mirror used in the following situations : (a) Head ...

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  18. Name the type of mirror used in the following situations : (a) Head ...

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  19. One half of a convex lens is covered with a black paper. Will this len...

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  20. 10 cm high object is placed at a distance of 25 cm from a converging l...

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