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 ENGLISH|Exercise Assignment (Section-B (objective type question(one option is correct)))|5 Videos
  • WAVE OPTICS

    AAKASH INSTITUTE ENGLISH|Exercise Assignment (Section-C (objective type question(More than one option are correct)))|5 Videos
  • WAVE OPTICS

    AAKASH INSTITUTE ENGLISH|Exercise Try yourself|24 Videos
  • UNITS AND MEASUREMENTS

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

    AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT ( SECTION-D ( Assertion - Reason Type Questions ))|12 Videos

Similar Questions

Explore conceptually related problems

Two identical light waves having phase difference 'phi' propagate in same direction. When they superpose, the intensity of resultant wave is proportional to

Two identical travelling waves, moving in the same direction are out of phase by pi//2 rad. What is the amplitude of the resultant wave in terms of the common amplitude y_(m) of the two combining waves?

Two monochromatic light waves of amplitude 3A and 2A interfering at a point have a phase difference of 60^(@) . The intensity at that point will be proportional to:

Two waves of same amplitude a and frequency v and having a phase difference of pi//2 radian, are superposed. The amplitude of resultant wave is

Two sound waves having a phase difference of 60^(@) have path difference of

If the phase difference between the two wave is 2 pi during superposition, then the resultant amplitude is

If the phase difference between the two wave is 2 pi during superposition, then the resultant amplitude is

When two waves with same frequency and constant phase difference interfere,

Four harmonic waves of equal freuencies and equal intensity I_(0) have phase angles 0, (pi)/(3), (2pi)/(3) and pi . When they are superposed, the intensity of the resulting wave is nI_(0) . The value of n is

Two identical sinusoidal waves each of amplitude 10 mm with a phase difference of 90^(@) are travelling in the same direction in a string. The amplitude of the resultant wave is

AAKASH INSTITUTE ENGLISH-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 th...

    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 times 10^-7m illuminates a p...

    Text Solution

    |

  10. In Young'double-slit interference experiment, if the slit separation i...

    Text Solution

    |

  11. In young's double slit experiment, the seperation 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 the standard Young's double slit experiment, the intensity on the s...

    Text Solution

    |

  14. In Young's double slit experiment, the fringe width is found to be 0.4...

    Text Solution

    |

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

    Text Solution

    |

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

    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

    |