Home
Class 12
PHYSICS
Two coherent sources must have the same...

Two coherent sources must have the same

A

amplitude

B

phase difference

C

frequency

D

both (B) and (C)

Text Solution

Verified by Experts

The correct Answer is:
D
From the definition of coherent source.
Promotional Banner

Topper's Solved these Questions

  • WAVE OPTICS

    ALLEN|Exercise Exercise 2 (Brain Teasures)|22 Videos

  • WAVE OPTICS

    ALLEN|Exercise Exercise 3 (Miscellaneous type Questions)|27 Videos

  • WAVE OPTICS

    ALLEN|Exercise Example 15|1 Videos

  • UNIT & DIMENSIONS, BASIC MATHS AND VECTOR

    ALLEN|Exercise Exercise (J-A)|7 Videos
ALLEN-WAVE OPTICS-Exercise 1 (Check your Grasp)
  1. The resultant amplitude in interference with two coherent sources depe...

    Text Solution

    |

  2. Phenonmenon of interfernece is observed-

    Text Solution

    |

  3. Two coherent sources must have the same

    Text Solution

    |

  4. For the sustained interference of light, the necessary condition is th...

    Text Solution

    |

  5. If the ratio of the intensity of two coherent sources is 4 then the vi...

    Text Solution

    |

  6. Two monochromatic and coherent point sources of light are placed at a ...

    Text Solution

    |

  7. If the distance between the first maxima and fifth minima of a double-...

    Text Solution

    |

  8. In young's double slit experiment, the seperation between the slits is...

    Text Solution

    |

  9. In Young's double slit experiment using sodium light (lamda=5898Å) 92 ...

    Text Solution

    |

  10. In Young's experiment one slit is covered with a blue filter and the o...

    Text Solution

    |

  11. In the Young's double slit experiment , a mica slip of thickness t and...

    Text Solution

    |

  12. In Young's double slit experiment, if monochromatic light is replaced ...

    Text Solution

    |

  13. In a YDSE with identical slits, the intensity of the central bright fr...

    Text Solution

    |

  14. As shown in the right figure, a point light source is placed at distan...

    Text Solution

    |

  15. One of the two slits in YDSE is painted over, so that it transmits onl...

    Text Solution

    |

  16. InYDSE,how many maxima can be obtained on the screen if wavelength of ...

    Text Solution

    |

  17. In YDSE, the source placed symmetrically with respect to the slit is n...

    Text Solution

    |

  18. A light wave travels through three transparent materials of equal thic...

    Text Solution

    |

  19. In YDSE if a slab whose refractive index can be varied is placed in fr...

    Text Solution

    |

  20. In a double-slit experiment, instead of taking slits of equal width, o...

    Text Solution

    |