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The refractive indices of the crown glas...

The refractive indices of the crown glass for blue and red light are 1.51 and 1.49 respectively and those of the flint glass are 1.77 and 1.73 respectively.An isosceles prism of angle `6^@` is made of crown glass.A beam of white light is incident at a small angle on this prism .The other flint glass isosceles prism is combined with the crown glass prism such that there is no deviation of teh incident light.Determine the angle of the flint glass prism.Calculate the net dispersion of the combined system.

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MODERN PUBLICATION-UNIT TEST -06-EXERCISE
  1. Two lenses of powers+15D and -5D are in contact with each other. What ...

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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  17. Wavelength of light used in an opticla instrument are lambda1=4,000 ov...

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  18. This angle of incidence at which relfeted ligth is totally polarised f...

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  19. When an unpolarised light intensity I0 is incident on a polarising she...

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  20. Ray optics is valid,when characteristic dimenstions are

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