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A light ray falling at an angle of 45^@ ...

A light ray falling at an angle of` 45^@` with the surface of a clean slab of ice of thickness 1.00 m is refracted into it at an angle of 30°. Calculate the time taken by the light rays to cross the slab. Speed of light in vacuum `= 3 xx 10^8ms^-1`

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The correct Answer is:
`2//3 xx 10^(-8)sec`
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RESONANCE ENGLISH-GEOMATRICAL OPTICS -Exercise-1
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  2. Two spherical mirros (convex and concave) having the same focal leng...

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  3. A light ray falling at an angle of 45^@ with the surface of a clean sl...

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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