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In Figure., find the position of final i...

In Figure., find the position of final image formed.

Text Solution

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For converging lens
`u = -15cm, f = 10cm, v = (fu)/(f+u) = 30cm`
For diverging lens
`u = 5cm`
`f = -10cm, v = (fu)/(f+u) = 10cm`
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RESONANCE ENGLISH-GEOMATRICAL OPTICS -Advance level Problems
  1. In Figure., find the position of final image formed.

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  2. A U-shaped wire is placed before a concave having radius of curvature ...

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  3. A paperweight in the form of a hemisphere of radius 3.0 cm is used to ...

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  4. A hollow sphere of glass of refractive index mu has a small mark on it...

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  5. Two media each of refractive index 1.5 with plane parallel boundaries ...

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  6. Two converging lenses of the same focal length f are separated by a di...

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  7. Two plane mirrors makes an angle of 120^(@) with each other. The dista...

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  8. A kid of height 1.1 ft is sleeping straight between focus and centre o...

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  9. The average size of an Indian face is 24xx16 cm^(2). Find the minimum ...

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  10. As shown in Figure,. And object O is at the position (-10,2) with resp...

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  11. A point sourcs S is moving with a speed of 10 m//s in x-y plane as sho...

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  12. A man is standing at the edge of a 1m deep swimming pool, completely f...

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  13. An object lies in front if a thick parallel glass slab, the bottom of ...

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  14. A beam of parallel rays of diameter 'b' propagates in glass at an angl...

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  15. A small ball is thrown from the edge of one bank of a river of width 1...

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  16. Two concave mirrors each of focal length 'f' are placed infront of eac...

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  17. An observer observer a fish moving upwards in a cylindrical container ...

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  18. The figure shows the square face (of side 'a') of a transparent cuboid...

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  19. An insect at point 'P' sees its two images in the water mirror system ...

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  20. A ray of light is incident on a surface in a direction given by vector...

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  21. If an observer sees the bottom of the vessel shown in Figure., at 8cm,...

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