Home
Class 12
PHYSICS
In the adjacent diagram, CP represents a...

In the adjacent diagram, CP represents a wavefront and AO & BP, the corresponding two rays. Find the condition on `theta` for constructive interference at P between the ray BP and reflected ray OP.

A

`cos q = 3l//2d`

B

`cos q = l//4d`

C

`sec q – cosq = l//d`

D

`sec q – cosl = 4l//d`

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

A ray of light-is incident on glass at the polarising angle ip. Find the angle between the reflected and refracted rays.

A plane mirrorr makes an angle of 30^(@) with horizontal. If a vertical ray strikes mirrorr, find the angle between mirrorr and reflected ray

Light incidence on a sphere of refractive index sqrt3 placed in a air as shown in Figure. Find the angle (theta) in degree between emergent ray and reflected ray.

Two plane mirror inclined at an angle of 60° as shown in the figure, then the angle between the incident ray and the first reflected ray is_____°

DISHA-WAVE OPTICS-physics
  1. When a mica sheet of thickness 7 microns and mu=1.6 is placed in the p...

    Text Solution

    |

  2. In double slit experiment ,the distance between two slits is made thre...

    Text Solution

    |

  3. In the adjacent diagram, CP represents a wavefront and AO & BP, the co...

    Text Solution

    |

  4. In young's slit experiment 10th order maximum is obtained at the point...

    Text Solution

    |

  5. White light is used to illuminate the two slits in a Young's double ...

    Text Solution

    |

  6. Consider interference between waves from two sourceof intensities I an...

    Text Solution

    |

  7. The width of one of the two slits in a Young's double slit experiment ...

    Text Solution

    |

  8. The intensity of the light coming from one of the slits in a Young's d...

    Text Solution

    |

  9. Ratio waves originating from sources S(1) and S(2) having zero phase d...

    Text Solution

    |

  10. If an interfernce pattern,at a point we observe the 16^(th) order maxi...

    Text Solution

    |

  11. In Young's experiment the wavelength of red light is 7.5xx10^(-5)cm.an...

    Text Solution

    |

  12. The Young's double slit experiment is carried out with light of wavele...

    Text Solution

    |

  13. In the Young's double-slit experiment, the interference pattern is fou...

    Text Solution

    |

  14. In an experiment similar to young's experiment,interference is observe...

    Text Solution

    |

  15. Interference fringes were produced in Young's double-slit experiment u...

    Text Solution

    |

  16. In a Young’s double slit experiment a monochromatic light whose wavele...

    Text Solution

    |

  17. In a Young’s double slit experiment a monochromatic light whose wavele...

    Text Solution

    |

  18. In a Young’s double slit experiment a monochromatic light whose wavele...

    Text Solution

    |

  19. Assertion (A) : No interfrence pattern is detected when two coherent s...

    Text Solution

    |

  20. Statement-1 : In Young’s experiment, the fringe width for dark fringes...

    Text Solution

    |