Home
Class 12
PHYSICS
Two identical light waves, propagating i...

Two identical light waves, propagating in the same direction, have a phase difference `delta`. After they superpose, the intensity of the resulting wave will be proportional to

A

`cos delta`

B

`cos((delta)/2)`

C

`cos^(2)((delta)/2)`

D

`cos^(2)delta`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • WAVE OPTICS

    AAKASH INSTITUTE|Exercise Assignment (Section-B (objective type question(one option is correct)))|5 Videos

  • WAVE OPTICS

    AAKASH INSTITUTE|Exercise Assignment (Section-C (objective type question(More than one option are correct)))|4 Videos

  • WAVE OPTICS

    AAKASH INSTITUTE|Exercise Try yourself|24 Videos

  • UNITS AND MEASUREMENTS

    AAKASH INSTITUTE|Exercise ASSIGNMENT (SECTION - D)|15 Videos

  • WAVES

    AAKASH INSTITUTE|Exercise ASSIGNMENT ( SECTION-D ( Assertion - Reason Type Questions ))|12 Videos
AAKASH INSTITUTE-WAVE OPTICS-Assignment (Section-A (objective type question(one option is correct)))
  1. Wavefront means

    Text Solution

    |

  2. Two coherent monochromatic light beams of intensities I and 4I are sup...

    Text Solution

    |

  3. Two identical light waves, propagating in the same direction, have a p...

    Text Solution

    |

  4. For constructive interference to take place between two monochromatic ...

    Text Solution

    |

  5. Wavefront of a wave has direction with wave motion

    Text Solution

    |

  6. If the amplitude ratio of two sources producing interference is 3 : 5,...

    Text Solution

    |

  7. Rays diverge from a point source of a wavefront that is

    Text Solution

    |

  8. Young's experiment establishes that

    Text Solution

    |

  9. Monochromatic green light of wavelength 5 xx 10^(-7) m illuminates a ...

    Text Solution

    |

  10. In Young's double slit interference experiment, the slit separation is...

    Text Solution

    |

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

    Text Solution

    |

  12. The maximum intensity of fringes in Young's experiment is I. If one of...

    Text Solution

    |

  13. In a Young's double slit experiment, the central point on the screen i...

    Text Solution

    |

  14. In a Young's double slit experiment, the fringe width is found to be 0...

    Text Solution

    |

  15. In YDSE, d = 2 mm, D = 2 m, and lambda = 500 nm. If intensities of two...

    Text Solution

    |

  16. In a Young's double slit experiment the intensity at a point where tha...

    Text Solution

    |

  17. Two slits, 4 mm apart, are illuminated by light of wavelength 6000 Å. ...

    Text Solution

    |

  18. In Young's interference experiment, the central bright fringe can be i...

    Text Solution

    |

  19. In a Young’s double slit experiment, the source illuminating the slits...

    Text Solution

    |

  20. If a torch is used in place of monochromatic light in Young's experime...

    Text Solution

    |