Home
Class 12
PHYSICS
Light of wavelength lambda=5000Å falls n...

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

0.1 mm

B

1.0 mn

C

0.5 mm

D

0.2 mm

Text Solution

Verified by Experts

The correct Answer is:
A
NA
Promotional Banner

Topper's Solved these Questions

  • INTERFERENCE AND DIFFRACTION

    TARGET PUBLICATION|Exercise COMPETITIVE THINKING|117 Videos

  • INTERFERENCE AND DIFFRACTION

    TARGET PUBLICATION|Exercise EVALUATION TEST|20 Videos

  • INTERFERENCE AND DIFFRACTION

    TARGET PUBLICATION|Exercise EVALUATION TEST|20 Videos

  • GRAVITATION

    TARGET PUBLICATION|Exercise EVALUATION TEST|24 Videos

  • KINETIC THEORY OF GASES AND RADIATION

    TARGET PUBLICATION|Exercise Evaluation test|18 Videos

Similar Questions

Explore conceptually related problems

A screen is placed at a distance of 1m from a narrow slit. Light of wavelength 0.5 micron is fallilng normally on the slit. If the first minima of the diffraction pattern is situated at 5 m m from the central maximum, find the width of the slit.

The first diffraction minima in a single slit diffraction pattern is at theta=30^(@) , for light of wavelength=5000 Å. The width of the slit is

Light of wavelength 6000 A^(@) is incident on a single slit. The first minimum of the diffraction pattern is obtained at 4 mm from the centre. The screen is at a distance of 2 m from the silt. The slit width will be

Visible light of wavelength 500 nm falls normally on a single slit and produces a diffraction pattern. It is found that the diffraction pattern is on a screen 1 m away from slit. If the first minimum is produced at a distance of 2.5 mm from the centre of screen, then the width of the slit is

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

Light of wavelength 6000Å is incident on a slit of width 0.30 mm. The screen is placed 2 m from the slit. Find (a) the position of the first dark fringe and (b). The width of the central bright fringe.

The first diffraction minima due to a single slit diffraction is at theta=30^(@) for a light of wavelength 5000Å The width of the slit is

The first diffraction minima due to a single slit diffraction is at q = 30^(@) for a light of wavelength 5000 Å. The width of the slit is-

light of wavelength 600 nm is incident on a single slit. The first minimum of athe diffraction pattern is obtained at a distance of 4 m m from the centre. The distance between the screen and the slit is 2 m . What is the width of the slit ?

A screen is placed at 50cm from a single slit, which is illuminated with 600nm light. If separation between the first and third minima in the diffraction pattern is 3.0mm , then width of the slit is:

TARGET PUBLICATION-INTERFERENCE AND DIFFRACTION-CRITICAL THINKING
  1. What will be the angle of diffracting for the first minimum due to Fra...

    Text Solution

    |

  2. In the far field diffraction pattern of a single slit under polychroma...

    Text Solution

    |

  3. Light of wavelength lambda=5000Å falls normally on a narrow slit. A sc...

    Text Solution

    |

  4. Yellow light is used in single slit diffraction experiment with slit w...

    Text Solution

    |

  5. A plane wavefront (lambda=6xx10^-7m) falls on a slit 0.4m wide. A conv...

    Text Solution

    |

  6. Angular width of central maxima in the Fraunhofer diffraction pattern ...

    Text Solution

    |

  7. In a single slit diffraction experiment, first minimum for red light ...

    Text Solution

    |

  8. microscope will have maximum resolving power.

    Text Solution

    |

  9. Assertion: Oil immersion objective microscope are used to achieve high...

    Text Solution

    |

  10. Two points separated by a distance of 0.1 mm can just be resolved in a...

    Text Solution

    |

  11. Calculate the resolving power of a microscope if its numerical apertur...

    Text Solution

    |

  12. Two points sources distance 0.1 m are viewed by a telescope. The objec...

    Text Solution

    |

  13. What should be the size of the aperture of the objective of telescope ...

    Text Solution

    |

  14. The aperrture of the largest telescope in the world is about 5 m. if t...

    Text Solution

    |

  15. Assertion: An excessively thin film appear black in reflected light. ...

    Text Solution

    |

  16. Assertion: The fringe visibility will be maximum when amplitude of lig...

    Text Solution

    |

  17. In Young's experiment, the fringe width is 3 mm for a light of wavelen...

    Text Solution

    |

  18. In double slit experiment fringes are obtained using light of waveleng...

    Text Solution

    |

  19. Monichromatic lightof wavelenght 600 nm is used ina Young's double sli...

    Text Solution

    |

  20. The distance between the first and the sixth minima in the diffraction...

    Text Solution

    |