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For obtaining diffraction pattern, apert...

For obtaining diffraction pattern, aperture of the slite should be of the order of

A

`lambda`

B

`lambda//2`

C

`lambda//4`

D

`2lambda`

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The correct Answer is:
A
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NIKITA PUBLICATION-INTERFERENCE AND DIFFRACTION-MULTPLE CHOICE QUESTIONS
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  2. The penetration of light into the region of geometrical shadow is call...

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  5. A very samml opaque is place in the path of monochormatic light. Its ...

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  6. The ratio of intensities of consecutive maxima in the diffraction patt...

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  7. A zone plae acts similar to a

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  8. The phase difference between two waves from successive half period zo...

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  9. The diffraction effect can be observed in

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  10. The fringes produce in diffraction pattern are of

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  11. The tip of needle does not give a sharp image. This is due to

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

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  13. On increasing the slite widht, the width of central maximum

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  14. The position of minima in the diffraction pattern due to a single slit...

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  15. The diffraction effect of light expresses that

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  16. The size of the obstacel in order to observe diffraction fo light must...

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  17. Fresnel's zones are known as half period zones because the path diffre...

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  18. The amplitudes of two consecutive half period zone are of

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  19. The phase difference between the first and thrid half period zone is

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  20. The central point of the diffraction pattern due to a circular disc is

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