Home
Class 12
PHYSICS
For a parallel beam of monochromatic. Li...

For a parallel beam of monochromatic. Light of wavelength `'lamda'` diffraction is produced by a single slit whose width 'a' is of the order of the wavelength of the lightl. If 'D' is the distance of the screen from the slit, the width of the central maxima will be

A

`(2Dlamda)/a`

B

`(Dlamda)/a`

C

`(Da)/(lamda)`

D

`(2Da)/(lamda)`

Text Solution

Verified by Experts

The correct Answer is:
A
NA
Promotional Banner

Topper's Solved these Questions

  • INTERFERENCE AND DIFFRACTION

    TARGET PUBLICATION|Exercise EVALUATION TEST|20 Videos

  • INTERFERENCE AND DIFFRACTION

    TARGET PUBLICATION|Exercise CRITICAL THINKING|72 Videos

  • GRAVITATION

    TARGET PUBLICATION|Exercise EVALUATION TEST|24 Videos

  • KINETIC THEORY OF GASES AND RADIATION

    TARGET PUBLICATION|Exercise Evaluation test|18 Videos

Similar Questions

Explore conceptually related problems

For a parallel beam of monochromatic light of wavelength 'lambda' differaction is produced by a single slit whose width 'a' is of the order as wavelength of the light. If 'D' is the distance of the screen from the slit, the width of the central maxima will be

A single slit of width 0.20 mm is illuminated with light of wavelength 500 nm . The observing screen is placed 80 cm from the slit. The width of the central bright fringe will be

A single slit of width 0.20mm is illuminated with light of wavelength 500nm . The observing screen is placed 80cm from the slit. The width of the central bright fringe will be

Light of wavelength lambda is incident on a single sht of width. 'a' and the distance between slit and screen is 'a. In diffraction pattern, if slit width is equal to the width of the central maximum then 'O is equal to

A parallel beam of light of wavelength 6000Å gets diffracted by a single slit of width 0.3 mm. The angular position of the first minima of diffracted light is :

Monochromatic light of wavelength 580 nm is incident on a slit of width 0.30 mm. The screen is 2m from the slit . The width of the central maximum is

A parallel beam of monochromatic light off wavelength lamda=5xx10^(-7)m is incident normally on a single narrow slit of width 10^(-3) mm. what is angle of diffraction, the first minimum if formed?

TARGET PUBLICATION-INTERFERENCE AND DIFFRACTION-COMPETITIVE THINKING
  1. For Fraunhofer diffraction to occur

    Text Solution

    |

  2. A plane wave front of wavelength lamda is incident on a single slite o...

    Text Solution

    |

  3. For a parallel beam of monochromatic. Light of wavelength 'lamda' diff...

    Text Solution

    |

  4. In a single slit diffraction experiment the first minimum for red ligh...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  7. The light of wavelength 6328Å is incident on a slit of width 0.2mm per...

    Text Solution

    |

  8. Light of wavelength 600 nm is incident normally on a slit of width 0.2...

    Text Solution

    |

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

    Text Solution

    |

  10. A linear aperture whose width is 0.02 cm is placed immediately in fron...

    Text Solution

    |

  11. In Fraunhofer diffraction pattern, slit width is 0.2 mm and screen ...

    Text Solution

    |

  12. A plane wavefront (lambda=6xx10^-7m) falls on a slit 0.4m wide. A conv...

    Text Solution

    |

  13. The first minimum of a single slit diffraction pattern is observed at ...

    Text Solution

    |

  14. Light of wavelength 589.3nm is incident normally on the slit of width ...

    Text Solution

    |

  15. Light of wavelength lamda is incident on a slit of width d. the result...

    Text Solution

    |

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

    Text Solution

    |

  17. A telescope has an objective lens of 10cm diameter and is situated at ...

    Text Solution

    |

  18. If numerical aperture of a microscope is increased, then its

    Text Solution

    |

  19. In an astronomical telescope, the final image for normal vision is for...

    Text Solution

    |

  20. An astronomical refracting telescope will have large angular magnific...

    Text Solution

    |