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In a two-slit experiment with monochroma...

In a two-slit experiment with monochromatic light, fringes are obtained on the screen placed at some distance form the slits. If the screen is moved by `5 xx 10^-2 m` towards the slits, the change in fringe width is `3 xx 10^-5 m`. If the distance between the slits is `10^-3 m`, calculate the wavelength of the light band.

A

`6,000 overset @A`

B

`5,000 overset @A`

C

`3,000 overset @A`

D

`4,500 overset @A`.

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MODERN PUBLICATION-UNIT TEST -06-EXERCISE
  1. In a Young's double slit experiment,the separation betwen the two slit...

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

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

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

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

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

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

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

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

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

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

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

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

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  14. A ray of light travels from the point A to B with a uniform speed.On i...

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  15. A boy is running towards a plane mirror with a speed of 2 m s^(-1).Wit...

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  16. A square wire of side 3 cm is placed 25 cm away from a concave mirror ...

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  17. If a concave mirror of focal length f produces a real image n times th...

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  18. A concave mirror of focal length f ( in air ) is immersed in water (mu...

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  19. A convex mirror of focal elongth f produces an image magnified m times...

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  20. A convex mirror forms an imge,which is 1//n times the size of the obje...

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