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Which of the following is true for rays ...

Which of the following is true for rays coming from infinity?

A

Conitnous image is formed between focal points of upper and lower parts of the lens

B

One image is formed

C

Two images are formed

D

None of the above.

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MODERN PUBLICATION-UNIT TEST -06-EXERCISE
  1. Which of the following pairs can produce erect,diminshed and virutual ...

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  2. In order to obtain a real image of magnification 2 using a convergin l...

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  3. Which of the following is true for rays coming from infinity?

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  4. At what angle ,a ray of light will incident on one face of an equilate...

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  5. The blue colour of the sky is due to the phenomenon of

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  6. The sky appears blue, because.

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  7. A red piece of paper when illuminated by green light appears:

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  8. White light is passed through a dilute solution of potasssium permagna...

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  9. C.V. Raman received Nobel Prize for the discovery of the following phe...

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  10. C.V. Raman received Nobel Prize for the discovery of the following phe...

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  11. The formation of rainbow in due to the phenomenon of

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  12. If red light and violet light rays are of focal length fr adn fv then ...

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  13. A parallel beam of white ligth falls on a convex lens .Images of blue...

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  14. The dispersive powers of the materials of the two lenses are in the r...

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  15. Retina of eye corresponds to which part of camera?

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  16. The ability of eye-lens to adjust its focal length is called……. .

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  17. An astronomical telescope of ten fold angular magnification has a leng...

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  18. The magnifying power of telescope is high,if

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  19. To increse magnifying power of telescope,we sould increase:

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  20. A telescope has focal elngth of objective and eyepiece as 200 cm and 5...

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