Home
Class 12
PHYSICS
Red light is generally used to observe d...

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

will be more clear

B

will be contract

C

will be expanded

D

will not visualize

Text Solution

Verified by Experts

The correct Answer is:
B
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

A diffraction pattern is formed by blue light, if blue light is replaced by yellow light, then ......

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

The central fringe of diffraction pattern obtained by single slit for white light will be

If white light is used instead of sodium light in the Young's experiment......

If diffraction pattern obtained by using violet light instead of patterns obtained by red light, then ...

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

Angular width (beta) of central maximum of a diffraction pattern on a single slit does not depend upon

In the diffraction pattern of a single slit aperture, the width of the central fringe compared to widths of te other fringes is-

Diffraction and interference of light refers to -

Direction of the first secondary maximum in the Fraunhofer diffraction pattern at a single slit is given by (a is the width of the slit)

ALLEN -WAVE OPTICS-Exercise 1 (Check your Grasp)
  1. Direction of the first secondary maximum in the Fraunhofer diffraction...

    Text Solution

    |

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

    Text Solution

    |

  3. Red light is generally used to observe diffraction pattern from single...

    Text Solution

    |

  4. Calculate angular width of central maxima if lamda=6000Å,a=18xx10^(-5)...

    Text Solution

    |

  5. In single slit fraunhoffer diffraction which type of wavefront is requ...

    Text Solution

    |

  6. In the diffraction pattern of a single slit aperture, the width of the...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  13. A polariser in used to

    Text Solution

    |

  14. Light waves can be polarised as they are

    Text Solution

    |

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

    Text Solution

    |

  16. The angle of polarisation for any medium is 60^(@), what will be the c...

    Text Solution

    |

  17. The angle of incidence at which reflected light totally polarised for ...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |