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For constructive interfrence to take pla...

For constructive interfrence to take place between two monochromatic light waves of wavelength `lambda`,the path difference should be

A

`(2 n-1)lambda//4`

B

`(2n-1)lambda//2`

C

`n lambda`

D

`(2n + 1)lambda//2`.

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MODERN PUBLICATION-UNIT TEST -06-EXERCISE
  1. Two beams of light having intensities I and 4 I interfere to produce a...

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  2. The contrast in the fringes in any interference pattern depends on

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  3. For constructive interfrence to take place between two monochromatic l...

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  4. In Young's double slit experiment,the sepaation between the slit is ha...

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  5. In a Young's double slit experiment,12 fringes are observed to be form...

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  6. In the Young's double slit experiment,the interference pattern is foun...

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  7. in a double slit experiment,instead of taking slits of equal widths,on...

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  8. In a Young's double slit experiment,the separation betwen the two slit...

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  9. in a Youing's double slit experiment,bicromatic light of wavelengths 4...

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  10. In a two-slit experiment with monochromatic light, fringes are obtaine...

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  11. In an ideal double slit experiment when a glass plate having refractiv...

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  12. A beam of electrons is used in an Young's double slit experiment.The s...

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  13. A thin slice is cut out of a glass cylinder along a plane parallel to ...

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  14. In the adjacent diagram, CP represents a wavefront and AO & BP, the co...

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  15. Yellow light is used in a single slit diffraction experiment with slit...

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  16. A parallel monochromatic beam of light is incident normally on a narro...

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  17. A beam of light of wavelength 600 nm from a distant source falls on a ...

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  18. A ray of light from a rarer medium strikes a denser medium. The reflec...

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  19. A light ray travelling in glass medium is incident on glass-air interf...

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  20. A ray of light is reflected at angle 30^@.If the angle of incidence be...

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