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Two beams of light having intensities I and 4 I interfere to produce a fringe pattern on a screen.The phase difference between the beams is `pi//2` at point A and `pi` at point B.Then the differnece between the resultant intensities at A and B is

A

2I

B

4 I

C

5 I and 3 I

D

7 I

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MODERN PUBLICATION-UNIT TEST -06-EXERCISE
  1. The interfernce phenomenon can take place

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  2. Two waves of intensities I and 4 I superimpose, then maximum and minim...

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  3. Two beams of light having intensities I and 4 I interfere to produce a...

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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