Home
Class 11
PHYSICS
The adjacent figure shows Fraunhoffer’s ...

The adjacent figure shows Fraunhoffer’s diffraction due to a single slit. If first minimum is obtained in the direction shown, then the path difference between rays 1 and 3 is

A

0

B

`lambda//4`

C

`lambda//2`

D

`lambda`

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

In diffraction due to a single slit, what is the condition for first minimum ?

The diffraction pattern of a single slit is shown in the figure. The point at which the path difference of the extreme rays is two times the wavelength is

The direction of the first secondary maximum in the fraunhoffer diffraction pattern at a single slit is given by (a is the width of the slit)

A parallel monochromatic beam of light is incident normally on a narrow slit. A diffraction pattern is formed on a screen placed perpendicular to the direction of the incident beam. At the first minimum of the diffraction pattern, the phase difference between the rays coming from the two edges of the slit is

For n^(th) order maxima in Fraunhoffer diffraction by a single slit, aperature, the value of path difference should be

A parallel monochromatic beam of light is incident normally on a narrow slit. A diffraction patten is formed on a screen placed perpendicular to the direction of incident beam. At the first maximum of the diffraction pattern the phase difference between the rays coming from the edges of the slit is

In a fraunhofer's diffraction obtained by a single slit aperture, the value of path difference for n^(th) order of minima is-

DISHA-WAVE OPTICS-PHYSICS
  1. In double slit experiment, the angular width of the fringes is 0.20^@ ...

    Text Solution

    |

  2. n Young's double slit experiment with sodium vapour lamp of wavelength...

    Text Solution

    |

  3. The adjacent figure shows Fraunhoffer’s diffraction due to a single sl...

    Text Solution

    |

  4. Young's double-slit experiment is conducted in water (mu(1)) as shown ...

    Text Solution

    |

  5. In a Fresnel biprism experiment, the two positions of lens give separa...

    Text Solution

    |

  6. If two waves represented by y1=4sin omega t and y2=3sin (omegat+pi/3) ...

    Text Solution

    |

  7. In Young's double-slit experiment, the separation between the slits is...

    Text Solution

    |

  8. At the first minimum adjacent to the central maximum of a single-slit ...

    Text Solution

    |

  9. The central fringe of the interference pattern produced by the light o...

    Text Solution

    |

  10. Sodium light (lambda= 6xx 10^(-7)m) is used to produce interference pa...

    Text Solution

    |

  11. The Young's double slit experiment is performed with blue light and gr...

    Text Solution

    |

  12. Yellow light emitted by sodium lamp in Young's double slit experiment ...

    Text Solution

    |

  13. When unpolarised light is incident on a plane glass plate at Brewster’...

    Text Solution

    |

  14. The maximum number of possible interference maxima for slit-separation...

    Text Solution

    |

  15. In figure, if a parallel beam of white light is incident on the plane ...

    Text Solution

    |

  16. Two light waves superimposing at the mid-point of the screen are comin...

    Text Solution

    |

  17. Spherical wavefronts, emanating from a point source, strike a plane re...

    Text Solution

    |

  18. Two coherent point sources S1 and S2 are separated by a small distance...

    Text Solution

    |

  19. On a hot summer night, the refractive index of air is smallest near th...

    Text Solution

    |

  20. If I0 is the intensity of the principal maximum in the single slit dif...

    Text Solution

    |