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A thin lens is made with as material hav...

A thin lens is made with as material having refractive index `mu=1.5.` both the sides are convex. It is dipped in water `(mu=1.33)`. It will behave like

A

a convergent lens

B

a divergent lens

C

a rectangular slab

D

a prism

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The correct Answer is:
A
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MOTION-RAY OPTICS-Exercise-1
  1. The radii of curvatures of a double convex lens are 15 cm and 30 cm, a...

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  2. The two spherical surfaces of a double concave lens have the same radi...

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  3. A thin lens is made with as material having refractive index mu=1.5. b...

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  4. Focal length of a convex lens of refractive index 1.5 is 2 cm. Focal l...

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  5. The focal length of a plano-convex lens is equal to its radius of curv...

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  6. A convex lens of focal length f will form a magnified real image of an...

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  7. IMAGE FORMATION FROM CONCAVE LENS

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  8. A lens of power +2 dioptres is placed in contact with a lens of powe...

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  9. When two thin lenses are kept in contanct, the focal length of the com...

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  10. A thin convex lens of focal length 10 cm and a thin concave lens of f...

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  11. A convex lens of focal length A and a concave lens of focal length B a...

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  12. When a thin convex lens is put in contact with a thin concave lens of ...

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  13. If I(1) and I(2) be the size of the images respectively for the two po...

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  14. A convex lens forms a real image on a screen placed at a distance 60 c...

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  15. A plano-convex lens when silvered on the plane side behaves like a con...

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  16. The plane surface of a plano-convex lens of focal length f is silvered...

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  17. A concave lens of focal length 25 cm and a convex lens of focal length...

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  18. Two lenses of power +2.50D and -3.75D are combined to form a compound ...

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  19. Lenses of powers 3D and -5D are combined to from a compound lens. An o...

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  20. An object placed at a distance of a 9cm from the first principal focus...

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