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Angular width (beta) of central maximum ...

Angular width `(beta)` of central maximum of a diffraction pattern on a single slit does not depend upon

A

Distance between slit and source

B

Wavelength of the light used

C

Width of the slit

D

Frequency of liht used

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AAKASH INSTITUTE-WAVE OPTICS-Assignment (Section-A (objective type question(one option is correct)))
  1. A slit of width is illuminated by white light. For red light (lambda=6...

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

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

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

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

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

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  7. To observe diffraction, the size of the obstacle

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  8. In a single slit diffraction pattern

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  9. Diffraction and interference of light refers to -

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

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  11. A polariser in used to

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  12. Light waves can be polarised as they are

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

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

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  15. Which of the following cannot be polarised?

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

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

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

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

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

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