Home
Class 12
PHYSICS
Parallel light of wavelength 5000 Å fall...

Parallel light of wavelength 5000 Å falls normally on a single slit. The central maximum spreads out to `30^(@)` on either side of the incident light.Find the width of the slit.For what width of the slit the central maximum would spread out to `90^(@)` from the direction of the incident light ?

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • WAVE OPTICS

    SL ARORA|Exercise EXERCISE|2 Videos
  • WAVE OPTICS

    SL ARORA|Exercise Problems from competitive examination|23 Videos
  • UNIVERSE

    SL ARORA|Exercise PROBLEM_TYPE|6 Videos

Similar Questions

Explore conceptually related problems

Light of wavelength 6000Å is normally incident on a slit. Angular position of second minimum from central maximum is 30^@ . Width of the slit should be –

In the experiment of diffraction at a single slit, if the slit width is decreased, the wdith of the central maximum

Light of wavelength 6328 Å is incident normally on a slit of width 0.2 mm. Angular width of the central maximum on the screen will be :

Light d of wavelength 5000Å is incident normally on a slite. The first minimum of the distance of 5 mm from the central maximum on a screen placed at a distance of 2 m from the slit. The width of slit is

A light of wavelength 6000Å is incident on a single slit . First minimum is obtained at a distance of 0.4 cm from the centre . If width of the slit is 0.3 mm, the distance between slit and screen will be

Light of wavelength lambda=5000Å falls normally on a narrow slit. A screen is placed at a distance of 1m from the slit and perpendicular to the direction of light. The first minima of the diffraction pattern is situated at 5mm from the centre of central maximum. The width of the slit is

A slit 5 cm wide when irradiated by waves of wavelength 10 mm results in the angular spread of the central maxima on either side of incident light by about :

Light of wavelength 600 nm is incident normally on a slit of width 0.2 mm. The angular width of central maxima in the diffraction pattern is

SL ARORA-WAVE OPTICS-Based on Intensity Distribution in interference pattern
  1. Parallel light of wavelength 5000 Å falls normally on a single slit. T...

    Text Solution

    |

  2. The two slits in Young's experiment have widths in a rations 100 :1 . ...

    Text Solution

    |

  3. The ratio of intensity at maxima and minima is 25:16 . What will be th...

    Text Solution

    |

  4. Two coherent sources whose intensity ratio 81:1 produce interference f...

    Text Solution

    |

  5. Two slits in Young's interference experiment have widths in the ratio ...

    Text Solution

    |

  6. In a Young's double slit experiment , the intensity of light at a poi...

    Text Solution

    |

  7. Two coherent monochromatic light beam of intensities I and 4I are supp...

    Text Solution

    |

  8. the width of the one of the two sites in a Young's double slit experim...

    Text Solution

    |

  9. Two light waves superposing at the midpoint of the screen are coming f...

    Text Solution

    |

  10. Monochromatic light of wavelength 600 nm is used in a Young's double s...

    Text Solution

    |

  11. Find the thickness of a plate which will produce a change in opticle p...

    Text Solution

    |

  12. In Fresnel's Biprism experiment, on inserting a thin plate of glass in...

    Text Solution

    |

  13. A transparent paper (mu=1.45) of thickness 0.023 mm is pasted on one o...

    Text Solution

    |

  14. A glass plate of 1.2xx10^(-6)m thickness is placed in the path of one ...

    Text Solution

    |

  15. A soap film of 5xx10^(-15)cm thick is viewed at an angle of 35^(@) to ...

    Text Solution

    |

  16. A thin film of thickness 4xx10^(-5) cm and mu=1.5 is iluminated by whi...

    Text Solution

    |

  17. In a thin film between two points A and B, eight fringes are observed ...

    Text Solution

    |

  18. With a thin air film between two points, 6 fringes appear when light o...

    Text Solution

    |

  19. White light is incident normally on a plane parallel thin film of µ=1....

    Text Solution

    |

  20. White light is incident on a soap film at an angle of sin^(-1(4)/(5)) ...

    Text Solution

    |

  21. A soap film of refractive index 4/3 and thickness 1.5xx10^(-4)cm is i...

    Text Solution

    |