Home
Class 11
PHYSICS
If we observe the single slit Fraunhofer...

If we observe the single slit Fraunhofer diffraction with wavelength `lambda` and slit width d, the width of the central maxima is `2theta`. On decreasing the slit width for the same `lambda`

A

`theta` increases

B

`theta` remains unchanged

C

`theta` decreases

D

`theta` increases or decreases depending on the intensity of light

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

In a single slit diffraction of light of wavelength lambda by a slit of width e, the size of the central maximum on a screen at a distance b is

In the experiment of diffraction at a single slit, if the slit width is decreased, the wdith of the central maximum

In a fraunhofer's diffraction by a slit, if slit width is a, wave length lamda focal length of lens is f, linear width of central maxima is-

What will be the effect on the width of the central maxima if the slit it made narrower ?

DISHA-WAVE OPTICS-PHYSICS
  1. In a Young's double slit experiment the intensity at a point where tha...

    Text Solution

    |

  2. According to Huygens, medium through which light waves travel is

    Text Solution

    |

  3. If we observe the single slit Fraunhofer diffraction with wavelength l...

    Text Solution

    |

  4. Aperture of the human eye is 2 mm. Assuming the mean wavelength of lig...

    Text Solution

    |

  5. Unpolarised light is incident on a dielectric of refractive indexsptsq...

    Text Solution

    |

  6. The figure shows the interfernece pattern obtained in double slit expe...

    Text Solution

    |

  7. Which of the following diagrams represent the veriation of electric fi...

    Text Solution

    |

  8. With a monochromatic light, the fringe-width obtained in a Young’s dou...

    Text Solution

    |

  9. The condition for obtaining secondary maxima in the diffraction patter...

    Text Solution

    |

  10. In double slit experiment, the angular width of the fringes is 0.20^@ ...

    Text Solution

    |

  11. n Young's double slit experiment with sodium vapour lamp of wavelength...

    Text Solution

    |

  12. The adjacent figure shows Fraunhoffer’s diffraction due to a single sl...

    Text Solution

    |

  13. Young's double-slit experiment is conducted in water (mu(1)) as shown ...

    Text Solution

    |

  14. In a Fresnel biprism experiment, the two positions of lens give separa...

    Text Solution

    |

  15. If two waves represented by y1=4sin omega t and y2=3sin (omegat+pi/3) ...

    Text Solution

    |

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

    Text Solution

    |

  17. At the first minimum adjacent to the central maximum of a single-slit ...

    Text Solution

    |

  18. The central fringe of the interference pattern produced by the light o...

    Text Solution

    |

  19. Sodium light (lambda= 6xx 10^(-7)m) is used to produce interference pa...

    Text Solution

    |

  20. The Young's double slit experiment is performed with blue light and gr...

    Text Solution

    |