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The refractive index of water is 4//3.Ho...

The refractive index of water is `4//3`.How much time will light take to travel through a water column of length 500 m?

A

`36 sqrt7`

B

`36//sqrt7`

C

`36sqrt5`

D

`4sqrt5`.

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MODERN PUBLICATION-UNIT TEST -06-EXERCISE
  1. A student measures the focal length of a convex lens by putting an obj...

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  2. Which of the following phenomenon is used in optical fiber?

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  3. The refractive index of water is 4//3.How much time will light take to...

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  4. A plano convex lens of refractive index 1.5 and radius of curvature 30...

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  5. Two lenses of powers+15D and -5D are in contact with each other. What ...

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  6. A convex lens of refractive index 1.5 has a focal length of 18 cm in a...

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  7. The refractive indices of the crown glass for blue and red light are 1...

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  8. The total magnification produced by a compound microscope is 20,while ...

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  9. Explain with reason,how the resolving power of an astronomical telesco...

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  10. An initially parallel cylindical beam travels in a medium of refractiv...

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  11. An initially parallel cylindical beam travels in a medium of refractiv...

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  12. An initially parallel cylindical beam travels in a medium of refractiv...

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  13. What is the main condition to produce interference of light?

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  14. In Young's double slit experiment what is the shape of interference fr...

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  15. In a Young's double slit experiment,the intensity at a point,where the...

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  16. A beam of light consisting of two wavelengths, 650 nm and 520 nm, is u...

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  17. Define coherent sources of light, fringe width and interference of lig...

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  18. The question has a paragraph followed by two statements, Statement 1 a...

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  19. If I0 is the intensity of the principal maximum in the singel slit dif...

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  20. Two point white dots are 1 mm apart on a black paper.They are viewed y...

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