Home
Class 12
PHYSICS
In the figure shown , for an angle of in...

In the figure shown , for an angle of incidence `45^(@)`, at the top surface , what is the minimum refractive index needed for the internal reflection at vertical face ?

Text Solution

Verified by Experts

`sqrt((3)/(2))`
Promotional Banner

Topper's Solved these Questions

  • RAY OPTICS

    MOTION|Exercise Exercise-1|102 Videos

  • RAY OPTICS

    MOTION|Exercise Exercise-2|39 Videos

  • RAY OPTICS

    MOTION|Exercise Exercise-4|38 Videos

  • RADIOACTIVITY & NUCLEAR PHYSICS

    MOTION|Exercise Exercise-3|81 Videos

  • ROTATIONAL MOTION

    MOTION|Exercise Exercise - 3 ( Section-B )|24 Videos

Similar Questions

Explore conceptually related problems

The angle of incidence on the surface of a diamond of refractive index 2.4, if the angle between the reflected and refracted rays is 90° is

A light ray is incident on a transparent sphere of index = sqrt(2) , at an angle of incidence = 45^(@) , What is the deviation of a tiny fraction of the ray, which enters the sphere, undergoes two internal reflections and then refracts out into air?

A prism is shown in the figure with prism angle 75^(@) and refractive index sqrt(3) . A light ray incidents on a surface at incident angle theta . Other face is coated with a medium of refractive index n. for theta le 60^(@) ray suffers total internal reflection find value of n^(2) .

For a situation shown in figure, find the refrective index of glass so that it will suffer total internal reflection at the vertical surface.

At what angle should a ray of light be incident on the face of a prism of refracting angle 60^(@) so that it just suffers total internal reflection at the other face ? The refractive index of the prism is 1.524.

A ray of light is incident on the surface of a glass plate of refractive index 1.6 at polarzing angle. Calculate the angles of reflection and refraction.

MOTION-RAY OPTICS-Questions For Practice
  1. Width of a slab is 6 cm whose mu = (3)/(2) . If its one surface...

    Text Solution

    |

  2. An object is placed 21 cm in front of a concave mirror of radius of cu...

    Text Solution

    |

  3. In the figure shown , for an angle of incidence 45^(@), at the top sur...

    Text Solution

    |

  4. If light travels a distance x in t(1) sec in air and 10x distance in t...

    Text Solution

    |

  5. A fish looking from within water sees the outside world through a circ...

    Text Solution

    |

  6. A thin prism of 6^@ angle gives a deviation of 3^@. The refractive in...

    Text Solution

    |

  7. A ray of light passes through an equilateral prism (refractive index 1...

    Text Solution

    |

  8. Find the angular dispersion produced by a thin prism of 5^(@) ...

    Text Solution

    |

  9. The refractive indicates of flint glass for red and violent colours ar...

    Text Solution

    |

  10. In a certain spectrum produced by a glass prism of dispersive power 0....

    Text Solution

    |

  11. White light is passed through a prism of angle 10^(@) If the rafra...

    Text Solution

    |

  12. A lens placed at a distance of 20cmfrom a object produces of virtual I...

    Text Solution

    |

  13. A converging beam of light forms a sharp image on a screen. A lens is ...

    Text Solution

    |

  14. An object of size 3.0 cm is placed 14 cm in front of a concave lens of...

    Text Solution

    |

  15. The focal length of the objective and the eye piece of a compound micr...

    Text Solution

    |

  16. A small telescope has an objective lens of focal length 144 cm and an ...

    Text Solution

    |

  17. A small telescope has an objective lens of focal length 144 cm and an ...

    Text Solution

    |

  18. The exposure time of a camera lens at the (f)/(2.8) setting is (1)/(2...

    Text Solution

    |

  19. A camera objective has an aperture diameter d . If the aperture is red...

    Text Solution

    |

  20. A person who can see things most clearly at a distance of 10 cm. Requi...

    Text Solution

    |