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A point object is placed at a distance o...

A point object is placed at a distance of 20 cmA point object is placed at distance of 20cm from a thin plano convex lens of focal length 15cm.The plane surface of the lens is now silvered. The image created by the system is at
.

A

60 cm to the left of the system.

B

60 cm to the right of the system

C

12 cm to the left of the system.

D

12 cm to the rigth of the system.

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MODERN PUBLICATION-UNIT TEST -06-EXERCISE
  1. The size of the image of an object,which is at infinity, as formed by ...

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  2. A convergeing lens is used to form an image on a screen.When the upper...

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  3. A point object is placed at a distance of 20 cmA point object is place...

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  4. A biconvex lens of focal length 15 cm is in front of a plane mirror.Th...

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  5. A concave lens of glass, refractive index 1.5 ,has both surfaces of th...

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  6. A double convex lens made from a material of refractive index mu1 is i...

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  7. A convex lens is in contact with concave lens .The magnitude of the ra...

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  8. A hollow doublew concave lens is made of very thin transparent materia...

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  9. A biconvex of focal length forms a circular image of radius r of sun ...

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  10. A real image of a distant object is formed by a plano-convex lens on i...

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

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

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

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

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

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

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

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  18. In a compound microscope,the intermediate image is

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

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

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