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

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

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12 cm, towards curved surface
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AAKASH SERIES-RAY OPTICS-PROBLEMS ( LEVEL-II)
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  2. A point object is placed on the optic axis of a convex lens of focal l...

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  3. A beam of light converges at a point P. Now a lens is placed in the pa...

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  4. A beam of light converges at a point P. Now a lens is placed in the pa...

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  5. The distance between two point sources of light is 24cm. Find out wher...

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  6. Focal length of a thin convex lens is 30 cm. At distance of 10 cm from...

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  7. Both object and convex lens are approaching each other along the princ...

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  8. A converging lens of focal length 12 cm and a diverging mirror of foca...

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  9. A converging lens of focal length 15 cm and a converging mirror of foc...

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  10. A convex lens of focal length 15 cm and concave mirror of focal length...

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  11. Magnification by a lens of an object at distance 10 cm from it is -2. ...

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  12. The curved surface of a concave spherical mirror with a radius of curv...

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  13. A thin equiconvex lens of glass ( mu = 1.5) with radius of curvature 4...

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  14. Two thin converging lenses are placed on a common axis, so that the ce...

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  15. An equiconvex lens of refractive index 1.5 and focal length 10 cm is h...

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  16. Variation of alternating current .l. with time .t. is shown in the gra...

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  17. A converging lens forms a five fold magnified image of an object. The ...

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  18. A plano-convex lens behaves as a concave mirror of focal length 30 cm ...

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  19. A point object is placed at a distance of 20 cm from a thin plano-conc...

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  20. Find the position of the final image formed by the lens combination gi...

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