Home
Class 11
PHYSICS
The refracting angle of a prism is A, an...

The refracting angle of a prism is A, and refractive index of the material of the prism is `cot (A/2)`. The angle of minimum deviation is

A

`180^@ - 3A`

B

`180^@ - 2A`

C

`90^@ - A`

D

`180^@ + 2A`

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • Motion in a plane

    TARGET PUBLICATION|Exercise Exercise|340 Videos

  • RAY OPTICS

    TARGET PUBLICATION|Exercise EVALUATION TEST|16 Videos

Similar Questions

Explore conceptually related problems

The refractivity of the material of the prism is given by

The refractivity of the material of the prism is given by

The refractive index of the material of an equilateral prism is 1.6. The angle of minimum deviation due to the prism would be

A ray of light is incident at an angle of 60^(@) on the face of a prism with an angle of 60^(@) . Then the refractive index of the material of the prism is (the prism is in minimum deviation position)

A ray is incident at an angle of incidence i on one surface of a small angle prism (with angle of prism A) and emerges normally from the opposite surface. If the refractive index of the material of the prism is mu , then the angle of incidence is nearly equal to:

A ray of monochromatic light is incident on one refracting face of a prism of refracting angle 75^(@) . It passes through the prism and is incident on the other face at the critical angle If the refracive index of the material of prism is sqrt(2) , the angle of incidence on the first face o the prism is

A prism is placed in water. The angle of minimum deviation____________.

A prism of angle 4^@ gives a deviation of 2.4^@ . The refractive index of the material of the prism is

A prism of angle 4^@ gives a deviation of 2.4^@ . The refractive index of the material of the prism is

For thin prism angle of minimum deviation( delta ) is given by

TARGET PUBLICATION-OPTICS-EXERCISE
  1. For an angle of incidence theta on an equilateral prism of refractive ...

    Text Solution

    |

  2. The refractive index of the material of an equilateral prism is 1.6. T...

    Text Solution

    |

  3. The refracting angle of a prism is A, and refractive index of the mate...

    Text Solution

    |

  4. A small angled prism of refractive index 1.6 gives a deviation of 3.6^...

    Text Solution

    |

  5. Pick the wrong answer in the context with rainbow.

    Text Solution

    |

  6. A convex lens of focal length 12.5 cm is used as a simple microscope. ...

    Text Solution

    |

  7. In compound microscope, the focal length and aperture of the objective...

    Text Solution

    |

  8. If we need a magnification

    Text Solution

    |

  9. A compound microscope consist of an objective of focal length 1.0 cm a...

    Text Solution

    |

  10. If the focal length of objective lens is increased then magnifying pow...

    Text Solution

    |

  11. An observer looks at a distant tree of height 10 m with a telescope of...

    Text Solution

    |

  12. An astronomical telescope has objective and eyepiece of focal length 4...

    Text Solution

    |

  13. A telescope using an eye piece of focal length 3 cm has a magnificatio...

    Text Solution

    |

  14. In an astronomical telescope in normal adjustment, a straight black li...

    Text Solution

    |

  15. The angle of a prism is A . One of its refracting surfaces is silvered...

    Text Solution

    |

  16. The refractive index of the material of a prism is sqrt2 and the angle...

    Text Solution

    |

  17. In figure, the optical fibre is l = 2 m long and has a diameter of d ...

    Text Solution

    |

  18. An upright object is placed at a distance of 40 cm in front of a conve...

    Text Solution

    |

  19. If the critical angle for total internal reflection from a medium to v...

    Text Solution

    |

  20. A point object is placed on the axis of a thin convex lens of focal le...

    Text Solution

    |