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The angular width of the central maximum...

The angular width of the central maximum of the diffraction patternn in a single slit (of width a) experiment, with `lamda` as the wavelenth of light, is

A

`(3lambda)/(2a)`

B

`(lambda)/(2a)`

C

`(2lambda)/(a)`

D

`(lambda)/(a)`

Text Solution

Verified by Experts

The correct Answer is:
C
The central maxima lies between the first minima on both sides. The angular width of central maxima
`=2theta=(2lambda)/(a)`
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MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-INTERFERENCE AND DIFFRACTION OF LIGHT -Exercise 1 (TOPICAL PROBLEMS)
  1. In young's double slit experiment, if wavelength of light changes from...

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  2. in a two-slit experiment with monochromatic light, fringes are obtaine...

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  3. In Young's double slit experiment, the intensity on the screen at a po...

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  4. In Young's double-slit experiment, the separation between the slits is...

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  5. In the Young's experiment, one of the slit is covered with a transpare...

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  6. A double slit experiment is performed with light of wavelength 500nm. ...

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  7. In a Young's double slit experiment, the source is white light. One of...

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  8. A small aperture is illuminated with a parallel beam of lambda = 628 n...

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  9. In a single slit diffraction of light of wavelength lambda by a slit o...

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  10. The angular width of the central maximum of the diffraction patternn i...

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  11. A single slit Fraunhofer diffraction pattern is formed with white lig...

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  12. In a diffraction pattern due to single slit of width 'a', the first mi...

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

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  14. In Fraunhofer diffraction experiment, L is the distance between screen...

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  15. The distance between the first and the sixth minima in the diffraction...

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  16. Red light of wavelength 625 nm is incident normally on a optical diffr...

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

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  18. The source is at some distance from an obstacle. Distance between obst...

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

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  20. When light is incident on a diffraction grating, the zero order princi...

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