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A ray of light is incident on an equilat...

A ray of light is incident on an equilateral glass prism placed on a horizontal table.For minimum deviation,which of the follosing is true?
.

A

PQ is horizontal

B

QR is horizontal

C

RS is horizontal

D

Either PQ or RS is horizontal

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MODERN PUBLICATION-UNIT TEST -06-EXERCISE
  1. A real image of a distant object is formed by a plano-convex lens on i...

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  2. A ray of light passes through an equilateral glass prism,such that ang...

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  3. A ray of light is incident on an equilateral glass prism placed on a h...

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  4. A given ray of light suffers minimum deviation in an equilateral prism...

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  5. A thin prism of angle 15^@ made of glass of refractive index = 1.5 is...

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  6. White ligth is incident on the interface of glass and air as shown in ...

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  7. A beam of light consisting of red, green and blue and is incident on a...

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  8. Which one of the following spherical lenses does not exhibit dispersio...

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  9. In a compound microscope,the intermediate image is

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  10. The focal length of the objective of a microscope is

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  11. When the length of a microscope tube is increased,its magnifying power

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  12. The 'f number' of a given camera is 8.It means that

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  13. The interfernce phenomenon can take place

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  14. Two waves of intensities I and 4 I superimpose, then maximum and minim...

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  15. Two beams of light having intensities I and 4 I interfere to produce a...

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  16. The contrast in the fringes in any interference pattern depends on

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  17. For constructive interfrence to take place between two monochromatic l...

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  18. In Young's double slit experiment,the sepaation between the slit is ha...

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  19. In a Young's double slit experiment,12 fringes are observed to be form...

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  20. In the Young's double slit experiment,the interference pattern is foun...

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