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An air bubble inside the water behaves a...

An air bubble inside the water behaves as:

A

a convex lens

B

a concave lens.

C

a plano convex lens

D

a concave mirror.

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MODERN PUBLICATION-UNIT TEST -06-EXERCISE
  1. A plano-convex lens is made of refractive index 1.6.If the radius of c...

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  2. A convex lens becomes less converging when placed in

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  3. An air bubble inside the water behaves as:

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  4. A lens behaves as a converging lens in air and diverging lens in wate...

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  5. A point source of light B,placed in front of the centre of a mirror of...

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  6. Two lenses have powers + 1 D and - 2 D respectively ,The power of comb...

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  7. Two lenses having powers + 6 D and - 4D are placed in contact.The powe...

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  8. An optical (eye specialist)prescibes spetacles is a pateint with a com...

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  9. The focal length of a convex lens is 30 cm and the size of image is qu...

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  10. A screen is placed 80 cm from an object. The image of the object on th...

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  11. Which of the following pairs can produce erect,diminshed and virutual ...

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

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

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

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

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  16. The sky appears blue, because.

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

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

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

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

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