Home
Class 12
PHYSICS
In a Fraunhofer diffraction at single sl...

In a Fraunhofer diffraction at single slit of width d with incident light of wavelength 5500 Ã…, the first minimum is observed, at angle `30^(@)`. The first secondary maximum is observed at an angle `theta=`

A

`sin^(-1)((1)/(sqrt(2)))`

B

`sin^(-1)((1)/(4))`

C

`sin^(-1)((3)/(4))`

D

`sin^(-1)((sqrt(3))/(2))`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • WAVE OPTICS AND ELECTROMAGNETIC THEORY

    ERRORLESS|Exercise ASSERTION & REASON |27 Videos

  • WAVE OPTICS AND ELECTROMAGNETIC THEORY

    ERRORLESS|Exercise NCERT BASED QUESTIONS (EM Waves )|40 Videos

  • RAY OPTICS

    ERRORLESS|Exercise Assertion & Reason|30 Videos

Similar Questions

Explore conceptually related problems

In a Fraunhoffer diffraction at single slit of width 'a' with incident light of wavlength of 5500 Å, the first minimum is observed, at an angle of 30^(@) . At what angle the first secondary maximum is observed?

In a Fraunhofer diffraction experiment at a single slit using a light of wavelength 400 nm, the first minimum is formed at an angle of 30^(@) . The direction theta of the first secondary maximum is given by :

A slit of width a illuminated by red light of wavelength 6500 Å . The first minimum will fall at theta=30^(@) if a is

In a diffraction pattern due to a single slit of width a, the firt minimum is observed at an angle 30^(@) when light of wavelength 5000 Å is incident on the slit. The first secondary miximum is observed at an angle of

In the diffraction pattern due to a single slit of width 'd' with incident light of wavelength 'lamda', at an angle of diffraction 'theta', the condition for first minimum is

ERRORLESS-WAVE OPTICS AND ELECTROMAGNETIC THEORY-PAST YEARS QUESTIONS
  1. When a compact disc is illuminated by a source of white light, coloure...

    Text Solution

    |

  2. A parallel beam of fast moving electrons is incident normally on a nar...

    Text Solution

    |

  3. In a Fraunhofer diffraction at single slit of width d with incident li...

    Text Solution

    |

  4. For a parallel beam of monochromatic light of wavelength 'lambda' diff...

    Text Solution

    |

  5. A linear aperture whose width is 0.02cm is placed immediately in front...

    Text Solution

    |

  6. In case of linearly polarised light, the magnitude of the electric fie...

    Text Solution

    |

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

    Text Solution

    |

  8. The graph showing the dependence of intensity of transmitted light on ...

    Text Solution

    |

  9. Unpolarised light is incident from air on a plane surface of a meteria...

    Text Solution

    |

  10. Two Polaroids P(1) and P(2) are placed with their axis perpendicular t...

    Text Solution

    |

  11. Out of the following options which one can be used to produce a propag...

    Text Solution

    |

  12. The ratio of amplitude of magnetic field to the amplitude of electric ...

    Text Solution

    |

  13. The electric field on an electromagnetic wave in free space is given b...

    Text Solution

    |

  14. The electric field associated with an electromagnetic wave in vacuum i...

    Text Solution

    |

  15. A wave travelling in the +ve x-direction having displacement along y-d...

    Text Solution

    |

  16. Light with an enargy flux of 25xx10^(4) Wm^(-2) falls on a perfectly r...

    Text Solution

    |

  17. A radiation of energy 'E'falls normally on a perfectly reflecting surf...

    Text Solution

    |

  18. The electric and the magnetic field, associated with an e.m. wave prop...

    Text Solution

    |

  19. In an electromagnetic wave in free space the root mean square value of...

    Text Solution

    |

  20. An EM wave is propagating in a medium whith a velocity vecv=vhati. The...

    Text Solution

    |