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If a point source is placed at a depth h...

If a point source is placed at a depth `h` in a liquid of refractive index `4/3` . Find percentage of energy of light that escapes from liquid. (assuming `100%` transmission of emerging light)

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`(2 pi h_0 v_0)/( (mu^2 -1))`
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AAKASH SERIES-RAY OPTICS-PROBLEMS ( LEVEL-II)
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  2. A cylindrical vessel of depth 4m is fully filled with non homogenious ...

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  3. If a point source is placed at a depth h in a liquid of refractive ind...

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  4. A ray of light enters a glass slab from air as shown in figure. If ref...

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  5. A ray enters a glass sphere of refractive index mu=(sqrt3) at an angle...

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  6. A hemisphere (made of material of refractive index sqrt(3) )of radius ...

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  7. A transparent cylinder of radius 2m has a mirrored surface on its righ...

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  8. A point object is placed on the optic axis of a convex lens of focal l...

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

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

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

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

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

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

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

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

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

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

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

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

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