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Both object and convex lens are approach...

Both object and convex lens are approaching each other along the principal axis as shown. Find the speed of image relative to object at the given instant as shown in the figure.

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12 cm/s, away
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AAKASH SERIES-RAY OPTICS-PROBLEMS ( LEVEL-II)
  1. A transparent cylinder of radius 2m has a mirrored surface on its righ...

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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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