Home
Class 12
PHYSICS
The angle of minimum deviation for a 75^...

The angle of minimum deviation for a `75^(@)` prism of dense glass is found to be `45^(@)` when in air and `15^(@)` when immersed in certain liquid.The refractive index of the liquid is

A

`(sqrt(3))/2`

B

`3/2`

C

`sqrt(3/2)`

D

`sqrt(3)`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • GEOMETRICAL OPTICS

    AAKASH SERIES|Exercise LECTURE SHEET (EXERCISE II LEVEL -II (ADVANCED) MORE THAN ONE CORRECT TYPE QUESTIONS)|2 Videos
  • GEOMETRICAL OPTICS

    AAKASH SERIES|Exercise LECTURE SHEET (EXERCISE II LEVEL -II (ADVANCED) INTEGER TYPE QUESTIONS)|2 Videos
  • GEOMETRICAL OPTICS

    AAKASH SERIES|Exercise LECTURE SHEET (EXERCISE II LEVEL -I (MAIN) STRAIGHT OBJECTIVE TYPE QUESTIONS)|17 Videos
  • ELEMENTS OF VECTORS

    AAKASH SERIES|Exercise QUESTIONS FOR DESCRIPTIVE ANSWERS|9 Videos
  • LAWS OF MOTION

    AAKASH SERIES|Exercise PRACTICE EXERCISE|98 Videos

Similar Questions

Explore conceptually related problems

A prism is made of glass of unknown refractive index. A parallel beam of light is incident on a face of the prism. The angle of minimum deviation is measured to be 40^(@) . What is the refractive index of the material of the prism? The refracting angle of the prism is 606^(@) . If the prism is placed in water (refractive idex 1.33), predict the new angle of minimum deviation of a parallel beam of light.

A convex lens of glass (mu_(g) = 1.45) has a focal length f in air. The lens is immerseJ in a liquid Of refractive index ( mu_(I) ) 1.3. The ratio of the F_(“liquid”)/F_(a) is is

A certain prism of refracting angle 60^(@) and of refractive index 2 is immersed in a liquid of refractive index sqrt(2) then the angle of minimum deviation will be

AAKASH SERIES-GEOMETRICAL OPTICS-LECTURE SHEET (EXERCISE II LEVEL -II (ADVANCED) STRAIGHT OBJECTIVE TYPE QUESTIONS)
  1. A ray of light travels in the way as shown in the figure. After passin...

    Text Solution

    |

  2. The image of point P when viewed from top of the slabs will be

    Text Solution

    |

  3. The angle of minimum deviation for a 75^(@) prism of dense glass is fo...

    Text Solution

    |

  4. A certain prism of refracting angle 60^(@) and of refractive index 2 i...

    Text Solution

    |

  5. A ray of monochormatic light is incident on one refracting face of a p...

    Text Solution

    |

  6. The light ray is incident at an angle of 60^(@) on a prism of angle 45...

    Text Solution

    |

  7. A prism of glass (mu=1.5) is dipped in to water as shown in the figure...

    Text Solution

    |

  8. ABC is a right angled glass prism of refractive index, 1.5 /A, /B and ...

    Text Solution

    |

  9. The principal section of a glass prism is an isosceles triangle ABC wi...

    Text Solution

    |

  10. Two prisms A and B are in contact with each other have angular dispers...

    Text Solution

    |

  11. Two prisms A and B have dispersive powers of 0.012 and 0.018 respectiv...

    Text Solution

    |

  12. In the figure shown (sini)/(sinr) is equal to

    Text Solution

    |

  13. A convergent beam is incident on two slabs placed in contact as shown ...

    Text Solution

    |

  14. A parallel sided block of glass of refractive index 1.5 which is 36 m...

    Text Solution

    |

  15. An insect starts moving up in a liquid from point O of variable refrac...

    Text Solution

    |

  16. A person looking through a telescope focuses lens at a point on the ed...

    Text Solution

    |

  17. x-y plane separates two media z ge 0 contains a medium of refractive i...

    Text Solution

    |

  18. A cubical container is filled with a liquid whose refractive index inc...

    Text Solution

    |

  19. Four similar prisms of angle of prism are arranged. Which of the follo...

    Text Solution

    |

  20. A light rays is incident upon a prism minimum deviation position and s...

    Text Solution

    |