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A single lens, which will form the image...

A single lens, which will form the image of a given object at the same point as it formed by the combination of twoor more thin lenses, is calles as _____

A

equivalent lens

B

added lens

C

concave-convex lens

D

convexo-concave lens

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TARGET PUBLICATION-OPTICS-EXERCISE
  1. A concave lens has radioi of curvatures of 20 cm and 30 cm respective...

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  2. The radius of curvature of each surface of a biconcave lens made up of...

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  3. A single lens, which will form the image of a given object at the same...

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  4. Two thin lenses may be combined so as to

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  5. Two thin lenses with focal lenghts f(1) and f(2) make a lens of focal ...

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  6. Two thin converging lenses of focal length 15 cm and 30 cm are held i...

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  7. What is the focal of the combination of a convex lens of focal length...

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  8. Two thin lenses, aone convex of focal length 10 cm and other concave l...

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  9. Two lenses of power +12and-2 dioptres are placed in contact. What will...

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  10. When two or more lnses of magnification m(1) ,m(2), m(3) are kept in c...

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  11. The separation of whtie light into its constituent colours after passi...

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  12. A shaped triangular transparent block havin three rectangular planes ...

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  13. The angle between the two-plane rectangular refracing surface of a pri...

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  14. The rectangular face opposite to the refracting edge is called .

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  15. The refractivity of the material of the prism is given by

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  16. A glass prism placed in a homogeneous transparent medium will deviate ...

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  17. As the refractive index of the material of prism for different colours...

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  18. When while light passes through prism then constituent colours are obt...

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  19. A prism splits a beam of white light into its constituent colours. Thi...

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  20. Dispersion of light is shown in the following diagram, select the CORR...

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