Home
Class 12
PHYSICS
In Young's double slit experiment , ligh...

In Young's double slit experiment , light waves of `lambda = 5.4 xx 10^(2)` nm and `lambda = 6.85 xx 10^(1)` nm are used in turn , keeping the same geometry of the set up . Calculate the ratio of the fringe widths in the two cases .

Text Solution

Verified by Experts

The correct Answer is:
`7.9`
Promotional Banner

Topper's Solved these Questions

  • WAVE OPTICS

    SL ARORA|Exercise Based on Lloyd s Mirror and Fresnel Biprism|11 Videos
  • WAVE OPTICS

    SL ARORA|Exercise Based on Intensity Distribution in interference pattern|80 Videos
  • WAVE OPTICS

    SL ARORA|Exercise Based on Wave nature of light|12 Videos
  • UNIVERSE

    SL ARORA|Exercise PROBLEM_TYPE|6 Videos

Similar Questions

Explore conceptually related problems

In Young's double slit experiment, if the width of 4th bright firnge is 2xx10^(-2) cm then the width of 6 th bright fringe will be cm

Interference fringes were produced in Young's double-slit experiment using light of wavelength 5000 Å . When a film of thickness 2.5xx10^(-3) cm was placed in front of one of the slits, the fringe pattern shifted by a distance equal to 20 fringe-widths. The refractive index of the material of the film is

In Young's double-slit experiment, two wavelengths of light are used simultaneously where lambda_(2) = 2 lambda_(1) . In the fringe pattern observed on the screen,

In Young's double slit experiment , red light of wavelength 620 nm is used and the two slits are 0.3 mm apart . Interference fringes are observed on a screen 1.3 mm apart . Calculate (i) the distance of slits from the screen and (ii) the fringe width if this distance is doubled .

In Young's double slit experiment, if d, D and lambda represent the distance between the slits, the distance of the screen from the slits and wavelength of light used respectively, then the fringe width is inversely proportional to

In a Young's double slit experiment, light of 500 nm is used to produce an interference pattern. When the distance between the slits is 0.05 mm, the angular width (in degree) of the fringes formed on the distance screen is close to:

Interference fringes were produced in Young's double slit experiment using light of wavelength 5000 Ã…. When a film of material 2.5xx 10^(-3) cm thick was placed over one of the slits, the fringe pattern shifted by a distance equal to 20 fringe widths. The refractive index of the material of the film is

(a) Write two characteristics features distinguishing the diffraction pattern from the interference fringes obtained in Young's double slit experiment. (b) Two wavelengths of sodium light 590 nm and 596 nm are used , in turn, to study the diffraction taking place due to a single slit of aperture 1xx10^(-4)m . The distance between the slit and the screen is 1.8m. Calculate the separation between the positions of the first maxima of the diffraction pattern obtained in the two cases.

Interference fringes were produced in young's double slit experiment using light of wave length 5000Å ,When a film of material 2.5xx10^(-3) cm thick was placed over over of the slits,the fringe pattern shifted by adistance equal to 20 fringe width.The refractive index of the material of the film is-

Young's double slit experiment is perfor-med inside water (mu = 43) with light of frequency 6 xx 10^(14) Hz. If the slits are separated by 0.2 mm and the screen kept 1 m from the slits, find the fringe width. Using the same set-up, what will the fringe width be if the experiment is performed in air?

SL ARORA-WAVE OPTICS-Based on Young s Double Slit experiment
  1. In Young's experiment , the distance of the screen from the two slits ...

    Text Solution

    |

  2. In Young's double slit experiment , the distance between double slit a...

    Text Solution

    |

  3. The two parallel slits used for Young's interference experiment are 0....

    Text Solution

    |

  4. In Young's experiment , two slits are 15 xx 10^(-5) m apart . The inte...

    Text Solution

    |

  5. The two slits in Young's double slit experiment are separated by a dis...

    Text Solution

    |

  6. In YDSE, light of wavelength 5000 Å is used. The third bright band on ...

    Text Solution

    |

  7. In a Young's double slit experiment the distance between the slits and...

    Text Solution

    |

  8. In a Young's double-slit experiment , the slits are separated by 0.28 ...

    Text Solution

    |

  9. In Young's experiment , the fringe width of the fringes with light of ...

    Text Solution

    |

  10. In Young's double slit experiment , red light of wavelength 620 nm is ...

    Text Solution

    |

  11. When two narrow slits separated by a small distance are illuminated by...

    Text Solution

    |

  12. In Young's experiment, two coherent sources are 1.5 mm apart and the f...

    Text Solution

    |

  13. In a Young's double slit experiment , the interference fringes are obt...

    Text Solution

    |

  14. In Young's experiment, interference pattern is obtained on a screen at...

    Text Solution

    |

  15. Among two interfering sources, let A be ahead in phase by 54^(@) relat...

    Text Solution

    |

  16. In Young's experiment, what will be the phase difference and the path ...

    Text Solution

    |

  17. In a Young's double slit interference pattern at a point , we observe ...

    Text Solution

    |

  18. In Young's double slit experiment , light waves of lambda = 5.4 xx 10^...

    Text Solution

    |

  19. A Young's double slit apparatus has slits separated by 0.28 mm and a s...

    Text Solution

    |

  20. White light is passed through a double slit and interference pattern i...

    Text Solution

    |