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In a Young's double slit experiment, the...

In a Young's double slit experiment, the fringe width is found to be `0.4mm`. If the whole apparatus is immersed in water of refractive index `4//3` without disturbing the geometrical arrangement, the new fringe width will be

A

0.30 mm

B

0.40 mm

C

0.53mm

D

`450 mum`

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AAKASH INSTITUTE-WAVE OPTICS-Assignment (Section-A (objective type question(one option is correct)))
  1. The maximum intensity of fringes in Young's experiment is I. If one of...

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  2. In a Young's double slit experiment, the central point on the screen i...

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  3. In a Young's double slit experiment, the fringe width is found to be 0...

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  4. In YDSE, d = 2 mm, D = 2 m, and lambda = 500 nm. If intensities of two...

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  5. In a Young's double slit experiment the intensity at a point where tha...

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  6. Two slits, 4 mm apart, are illuminated by light of wavelength 6000 Å. ...

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  7. In Young's interference experiment, the central bright fringe can be i...

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  8. In a Young’s double slit experiment, the source illuminating the slits...

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  9. If a torch is used in place of monochromatic light in Young's experime...

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  10. In Young's double slit experiment, when two light waves form third min...

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  11. It is believed that the universe is expanding and hence the distant st...

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  12. The 6563 Å H(2) line emitted by hydrogen in a star is found to be red ...

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  13. In the context of Doppler effect in light, the term red shift signifie...

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  14. A slit of width is illuminated by white light. For red light (lambda=6...

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  15. The bending of light about corners of an obstacle is called

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  16. Angular width (beta) of central maximum of a diffraction pattern on a ...

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  17. Red light is generally used to observe diffraction pattern from single...

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  18. When a compact disc is illuminated by a source of white light, coloure...

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  19. For what distance is ray optics a good approximation when the aperture...

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  20. To observe diffraction, the size of the obstacle

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