Home
Class 12
PHYSICS
In the laboratory, diffraction of light ...

In the laboratory, diffraction of light by a single slit is being observed. If slit is made slightly narrow, then diffraction pattern will-

A

be more spreaded than before

B

be less spreaded than before

C

be spreaded as before

D

be disappeared

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • WAVE OPTICS

    ALLEN|Exercise Exercise 2 (Brain Teasures)|22 Videos

  • WAVE OPTICS

    ALLEN|Exercise Exercise 3 (Miscellaneous type Questions)|27 Videos

  • WAVE OPTICS

    ALLEN|Exercise Example 15|1 Videos

  • UNIT & DIMENSIONS, BASIC MATHS AND VECTOR

    ALLEN|Exercise Exercise (J-A)|7 Videos

Similar Questions

Explore conceptually related problems

In single slit diffraction pattern :

The diffraction fringes obtained by a single slit are of

In a single slit diffraction pattern

In a Fraunhofer diffraction at a single slit, if yellow light illuminating the slit is replaced by blue light, then diffraction bands

Red light is generally used to observe diffraction pattern from single slit. If blue light is used instead of red light, then diffraction pattern

Red light is generally used to observe diffraction pattern from single slit. If blue light is used instead of red light, then diffraction pattern.

A single slit diffraction pattern is obtained using a beam of red light. If the red light is replaced by the blue light, then the diffraction pattern

If the wavelength of light diffracted by a single slit is increased by 50%, what change in the slit width will leave the diffraction pattern unchanged?

ALLEN-WAVE OPTICS-Exercise 1 (Check your Grasp)
  1. In single slit fraunhoffer diffraction which type of wavefront is requ...

    Text Solution

    |

  2. In the diffractin pattern of a single slit aperture, the width of the ...

    Text Solution

    |

  3. Central fringe obtained in diffraction pattern due to a single slit-

    Text Solution

    |

  4. In a single slit diffraction pattern, if the light source is used of l...

    Text Solution

    |

  5. In the laboratory, diffraction of light by a single slit is being obse...

    Text Solution

    |

  6. Find the half angular width of the central bright maximum in the fraun...

    Text Solution

    |

  7. In a fraunhofer's diffraction by a slit, if slit width is a, wave leng...

    Text Solution

    |

  8. In a fraunhofer's diffraction obtained by a single slit aperture, the ...

    Text Solution

    |

  9. A polariser in used to

    Text Solution

    |

  10. Light waves can be polarised as they are

    Text Solution

    |

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

    Text Solution

    |

  12. The angle of polarisation for any medium is 60^@. What will be critica...

    Text Solution

    |

  13. The angle of incidence at which reflected light is totally polarized f...

    Text Solution

    |

  14. A polaroid is placed at 45^@ to an incoming light of intensity I0. Now...

    Text Solution

    |

  15. Plane polarised light is passed through a polaroid. On viewing through...

    Text Solution

    |

  16. A ray of light is incident on the surface of a glass plate at an angle...

    Text Solution

    |

  17. A beam of light strikes a glass plate at an angle of incident 60^(@) a...

    Text Solution

    |

  18. Polarised glass is used in sum glasses because:

    Text Solution

    |

  19. When unpolarised light beam is incident from air onto glass (n=1.5) at...

    Text Solution

    |

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

    Text Solution

    |