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An initially parallel cylindical beam tr...

An initially parallel cylindical beam travels in a medium of refractive index `mu(I)=mu_0+mu_2I`,where `mu_0` and `mu_2` are positive constants and I is the intensity of the light beam.The intensity of the light beam is decreasing with increasing radius.
As the beam enters the medium,it will

A

diverge

B

converge

C

diverge near the axis and converge near the periphery.

D

travel as a cylindrical beam.

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MODERN PUBLICATION-UNIT TEST -06-EXERCISE
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  2. An initially parallel cylindical beam travels in a medium of refractiv...

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

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

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

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

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

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

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

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

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

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

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

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

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  15. Ray optics is valid,when characteristic dimenstions are

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  17. A beam of monochromatic light is refracted from vacuum into a medium o...

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  18. Green light of wavelegth5,460 overset @A is incident on an air-glass i...

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  19. The frequency of ligth in a material is 2 xx 10^(14) Hz and wavelength...

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  20. A ray of light travelling in air have wavelength lambda,frequency v,ve...

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