Home
Class 11
PHYSICS
What is the minimum value of the refract...

What is the minimum value of the refractive index for a `90^(@)-45^(@)-45^(@)` prism which is used to deviate a beam through `90^(@)` by total internal reflection ?

A

`3//2`

B

`sqrt(3)`

C

`sqrt(2)`

D

`5//3`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • RAY OPTICS

    DC PANDEY|Exercise B. More than one option is correct|20 Videos

  • RAY OPTICS

    DC PANDEY|Exercise C. comprehension type question|14 Videos

  • RAY OPTICS

    DC PANDEY|Exercise Integer type q.|15 Videos

  • PROPERTIES OF MATTER

    DC PANDEY|Exercise Integer|8 Videos

  • ROTATION

    DC PANDEY|Exercise (C) Chapter Exercises|39 Videos

Similar Questions

Explore conceptually related problems

The maximum value of refractive index of a prism which permits the transmission of light through it when the refracting angle of the prism is 90^@, is given by

The refractive index of a prism is mu . Find the maximum angle of the prism for which a ray incident on it will be transmitted through other face without total internal reflection.

Refraction of light |refractive index| laws of refraction | Total internal reflection law

The angle of minimum deviation is an equilateral prism of refractive index 1.414 is

There is prism of refractive index 1.5 and prism angle 2 degree . Find minimum deviation caused by this prism

Show by drawing ray diagrams how a totally reflecting glass prism can be used to deviate a ray of light through (i) 90^(@) (ii) 180^(@) and invert it.

DC PANDEY-RAY OPTICS-A. Only one option is correct (JEE Advance)
  1. A real image is formed by a convex lens. Then it is put in contact wit...

    Text Solution

    |

  2. A convex lens is in contact with a concave lens. The magnitude of the ...

    Text Solution

    |

  3. What is the minimum value of the refractive index for a 90^(@)-45^(@)-...

    Text Solution

    |

  4. An object O is placed in front of a small plane mirror M(1) and a larg...

    Text Solution

    |

  5. An object is kept at a distance of 16 cm from a thin lens and the imag...

    Text Solution

    |

  6. A plane mirror is placed at the bottom of a tank containing a liquid o...

    Text Solution

    |

  7. A real image of a point object O was formed by an equi-convex lens of ...

    Text Solution

    |

  8. One side of a glass slab is silvered as shown. A ray of light is incid...

    Text Solution

    |

  9. A plastic hemisphere has a radius of curvature of 8 cm and an index of...

    Text Solution

    |

  10. A circular beam of light of diameter d = 2 cm falls on a plane refract...

    Text Solution

    |

  11. Consider the situation shown in figure. Water (mu(w) = (4)/(3)) is fil...

    Text Solution

    |

  12. A ray of light is incident on a glass sphere of refractive index 3/2. ...

    Text Solution

    |

  13. A prism having an apex angle 4^(@) and refractive index 1.5 is located...

    Text Solution

    |

  14. A plano convex lens fits exactly into a plano concave lens. Their plan...

    Text Solution

    |

  15. Optic axis of a thin equiconvex lens is the x-axis. The co-rodinates o...

    Text Solution

    |

  16. A plano convex glass lens (mu(g) = 3//2) of radius curvature R = 10 cm...

    Text Solution

    |

  17. A convex lens of focal length 10 cm is painted black at the middle por...

    Text Solution

    |

  18. A point object is placed on the optic axis of a convex lens of focal l...

    Text Solution

    |

  19. A point object O is placed at a distance of 20 cm from a convex lens o...

    Text Solution

    |

  20. Two thin symmetrical lenses of different nature and of different mater...

    Text Solution

    |