Home
Class 12
PHYSICS
The size of the obstacel in order to obs...

The size of the obstacel in order to observe diffraction fo light must be

A

of any order

B

of the order of wavelengths

C

much larger than wavelengths

D

much smaller than wavelenth

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • GRAVITATION

    NIKITA PUBLICATION|Exercise Multiple Choice Questions|409 Videos
  • KINETIC THEORY OF GASES & RADIATION

    NIKITA PUBLICATION|Exercise MCQs (Question Given in MHT-CET)|79 Videos

Similar Questions

Explore conceptually related problems

Diffraction of light is

What is diffraction of light?

What should be the order of the size of an obstacle or aperture to produce diffraction of light?

What is the essential conditon for diffraction of light ?

The correct relation between the size of the obstacle and wavelength of light in order to observe thde diffraction event is

In Fresnel's diffraction, wavefront must be

In order to see diffraction the thickness of the film is

Why is diffraction of sound waves easier to observe than diffraction of light waves?

NIKITA PUBLICATION-INTERFERENCE AND DIFFRACTION-MULTPLE CHOICE QUESTIONS
  1. The position of minima in the diffraction pattern due to a single slit...

    Text Solution

    |

  2. The diffraction effect of light expresses that

    Text Solution

    |

  3. The size of the obstacel in order to observe diffraction fo light must...

    Text Solution

    |

  4. Fresnel's zones are known as half period zones because the path diffre...

    Text Solution

    |

  5. The amplitudes of two consecutive half period zone are of

    Text Solution

    |

  6. The phase difference between the first and thrid half period zone is

    Text Solution

    |

  7. The central point of the diffraction pattern due to a circular disc is

    Text Solution

    |

  8. In the diffraction pattern due to single slit, in the direction of the...

    Text Solution

    |

  9. A plane wavefront in incident normally on a circular aperture and diff...

    Text Solution

    |

  10. Which of the following waves are diffracted by an obstacle of zise 1 c...

    Text Solution

    |

  11. The centre of the diffraction pattern in Fraunhofer diffraction is al...

    Text Solution

    |

  12. The cause of hearing of sound, produced in one room, in a nearby room ...

    Text Solution

    |

  13. What type of diffraction takes place in case of Yong's double slite ex...

    Text Solution

    |

  14. The condition for observing Fraunhofer diffraction from a single slit ...

    Text Solution

    |

  15. In number of coherent sources are infinity them phenomenon of interfer...

    Text Solution

    |

  16. Crystalline structure of solids can be studied by using the method of

    Text Solution

    |

  17. Light and radio wavs both are electromagnetic in nature. Radiowaves un...

    Text Solution

    |

  18. First diffraction minima due to of a single slit diffraction is at the...

    Text Solution

    |

  19. Light d of wavelength 5000Å is incident normally on a slite. The first...

    Text Solution

    |

  20. Light of wavelength 5000xx10^(-10)m is incident normally pattern is ob...

    Text Solution

    |