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In the given figure an abserve in air ...

In the given figure an abserve in air `(n=1)` sees the botoom of a breaker filled with water `(n = 4//3)` upto a height of `40cm`. What will be the depth felt by this observer.

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The correct Answer is:
`30cm`
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RESONANCE ENGLISH-GEOMATRICAL OPTICS -Exercise-1
  1. A light ray falling at an angle of 45^@ with the surface of a clean sl...

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  2. A light ray is incident at 45^(@) on a glass slab. The slab is 3cm thi...

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  3. In the given figure an abserve in air (n=1) sees the botoom of a bre...

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  4. In the given figure rasy incident on an interface would converge 10c...

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  5. A fish is rising up veritcally inside a pond with velocity 4 m//s, and...

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  6. Find the apparednt distance between the observer and the object shwon ...

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  7. Find the apparent depth of object of the object seen by observe A (in...

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  8. Locate the image fo the point P as seen by the eye in the figure.

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  9. A small object is placed at the centre of the bottom of a cylindrical ...

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  10. A point source is placed at a depth h below the surface of water (re...

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  11. Light falls from glass (mu=1.5) to air. Find the angle of incidence fo...

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  12. At what values fo the refractive index of a recantangular prism can...

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  13. A prism (n = 2) of apex angle 90^(@) is palced in air (n = 1). What ...

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  14. The refracting angle of a glass prism is 30^@. A ray is incident onto ...

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  15. Find the angle of devaition suffered by the light ray shown in figu...

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  16. The refractive index of a prism is mu. Find the maximum angle of the ...

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  17. An extended object of size 2cm is placed at a distance of 10cm in air...

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  18. A point object lies inside a transpatent solid sphere of radius 20cm ...

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  19. An object is placed 10cm away form a glass piece (n = 1.5) of length ...

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  20. There is small air bubble inside a glass sphere (mu = 1.5) of radius ...

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