Home
Class 12
PHYSICS
In a Fraunhofer diffraction experiment a...

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

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

B

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

C

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

D

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

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • WAVE OPTICS

    PHYSICS GALAXY - ASHISH ARORA|Exercise Numerical MCQs Single Options Correct|49 Videos
  • WAVE OPTICS

    PHYSICS GALAXY - ASHISH ARORA|Exercise Advance MCQs with One or More Options Correct|27 Videos
  • WAVE OPTICS

    PHYSICS GALAXY - ASHISH ARORA|Exercise Discussion Question|20 Videos
  • THERMODYNAMICS LAWS & SPECIFIC HEATS OF GASES

    PHYSICS GALAXY - ASHISH ARORA|Exercise Practice Exercise 3.4|11 Videos
  • WAVES

    PHYSICS GALAXY - ASHISH ARORA|Exercise Unsolved Numerical Problems for Preparation of NSE, INPhO & IPhO|135 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 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=

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

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 single slit diffraction experiment, first minimum for a light of wavelength 540 nm coincides with the first maximum of another wavelength lamda' . Then lamda' is

A single slit Fraunhofer diffraction pattern is formed with white light. For what wavelength of light the fourth secondary maximum in the diffraction in the diffraction pattern coincides with the third secondary maximum in the pattern for red light of wavelength 6500 Å ?

PHYSICS GALAXY - ASHISH ARORA-WAVE OPTICS-Conceptual MCQ Single Option Correct
  1. A parallel monochromatic beam of light is incident normally on a narro...

    Text Solution

    |

  2. In Fraunhofer diffraction experiment, L is the distance between screen...

    Text Solution

    |

  3. In a Fraunhofer diffraction experiment at a single slit using a light ...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  6. The critical angle of a certain medium is sin ^(-1)((3)/(5)). The pola...

    Text Solution

    |

  7. Which of the following cannot be polarised?

    Text Solution

    |

  8. An unpolarised beam of intensity I(0) falls on a polariod. The intensi...

    Text Solution

    |

  9. Which of the following is a dichroic crysral?

    Text Solution

    |

  10. An unpolarised beam of intensity I(0) is incident on a pair of nicols ...

    Text Solution

    |

  11. When an unpolarized light of intensity I(0) is incident on a polarizi...

    Text Solution

    |

  12. An optically active compound

    Text Solution

    |

  13. A 20cm length of a certain solution causes right-handed rotation of 38...

    Text Solution

    |

  14. Specific rotation of sugar solution is 0.5 deg m^(2)//kg. 200kgm^(-3) ...

    Text Solution

    |

  15. Two polaroids are placed in the path of unpolarized beam of intensity ...

    Text Solution

    |

  16. Two light waves arrives at a certain point on a screen. The waves have...

    Text Solution

    |

  17. Two beam of light having intensities I and 4I interfere to produce a f...

    Text Solution

    |

  18. A plane electromagnetic wave of frequency w(0) falls normally on the s...

    Text Solution

    |

  19. White light is used to illuminate the two slits in a Young's double sl...

    Text Solution

    |

  20. Ratio of intensities between a point A and that of central fringe is 0...

    Text Solution

    |