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In a single slit diffraction pattern...

In a single slit diffraction pattern

A

Central fringe has negligible width than others

B

all fringes are of same width

C

Central fringe do not exist

D

central fringe is twice as wide as other maxima

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The correct Answer is:
D
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AAKASH INSTITUTE-WAVE OPTICS-Assignment (Section-A (objective type question(one option is correct)))
  1. For what distance is ray optics a good approximation when the aperture...

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  2. To observe diffraction, the size of the obstacle

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  3. In a single slit diffraction pattern

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  4. Diffraction and interference of light refers to -

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  5. The limit of resolution of an optical instrument arises on account of

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  6. A polariser in used to

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  7. Light waves can be polarised as they are

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  8. Through which character we can distiguish the light waves from sound w...

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  9. The angle of polarisation for any medium is 60^(@) , what will be crit...

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  10. Which of the following cannot be polarised?

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  11. Unpolarised light of intensity I is passed through a polaroid. What is...

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  12. Refractive index of material is equal to tangent of polarising angle. ...

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  13. Two polrizers are oriented with transmission planes making an angle of...

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  14. In case of linearly polarised light, the magnitude of the electric fie...

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  15. When the angle of incidence on a material is 60^(@), the reflected lig...

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  16. For the sustained interference of light, the necessary condition is th...

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  17. Which of the following is conserved when light waves interfere

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  18. Huygens wave theory allows us to know

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  19. In Young's double slit experiment, if one of the slit is closed fully,...

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  20. In young's experiment, the separation between 5th maxima and 3rd minim...

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