Home
Class 12
PHYSICS
A ray of light strikes a glass plate at ...

A ray of light strikes a glass plate at an angle of `60^(@)`. If the reflected and refracted rays are perpendicular to each other, the index of refraction of glass is

A

`sqrt3`

B

`3//2`

C

`sqrt((3//2))`

D

`1//2`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • RAY OPTICS AND OPTICAL INSTRUMENTS

    AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT (SECTION - B)|35 Videos
  • RAY OPTICS AND OPTICAL INSTRUMENTS

    AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT (SECTION - C)|80 Videos
  • RAY OPTICS AND OPTICAL INSTRUMENTS

    AAKASH INSTITUTE ENGLISH|Exercise EXERCISE|45 Videos
  • PHYSICAL WORLD

    AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT (Section-B)|4 Videos
  • SEMICONDUCTOR ELECTRONICS (MATERIAL, DEVICES AND SIMPLE CIRUITS )

    AAKASH INSTITUTE ENGLISH|Exercise Assignment SECTION - D (Assertion & reason type Question)|10 Videos

Similar Questions

Explore conceptually related problems

A ray of light in incident on a glass plate at an angle of 60^@ . What is the refractive index of glass if the reflected and refracted rays are perpendicular to each other?

A : When an unpolarised light is incident on a glass plate at Brewster angle, the reflected ray and refracted ray are matually perpendicular. R : The refractive index of glass is equal to sine of the angle of polarisation.

A light ray is travelling from air to glass. True reflected and refracted rays are perpendicular to each other. If the angle of incidence in air is I the refractive index of glass is

A ray of light falls on a transparent glass slab of refractive index sqrt (2) . If the reflected and refracted rays are mutually perpendicular, then the angle of incidence is

Unpolarized light is incident on a plane glass surface. The angle of incidence so that reflected and refracted rays and perpendicular to each other, then

A ray of light entering from air to glas (mu=1.5) is partly reflected and partly refracted. lf the reflected and refracted rays are at right angles to each other, the angle of refraction is

A ray of light from a denser medium strikes a rarer medium at an angle of incidence i = tan^( -1)(1//2) . If the reflected and the refracted rays are mutually perpendicular to each-other, what is the value of the critical angle in degree?

A ray of light falls on a transparent glass slab of refractive index 1.62 . If the reflected ray and the refracted rays are mutually perpendicular, what is the angle of refraction ?

Unpolarised light is incident from air on a plane surface of a material of refractive index .mu. . At a particular angle of incidence .I., it is found that the reflected and refracted rays are perpendicular to each other. Which of the following options is correct for this situation?

A ray of light is incident at an angle i from denser to rare medium. The reflected and the refracted rays are mutually perpendicular. The angle of reflection and the angle of refraction are respectively r and r'. Then the critical angle will be:

AAKASH INSTITUTE ENGLISH-RAY OPTICS AND OPTICAL INSTRUMENTS-ASSIGNMENT (SECTION - A)
  1. A beam of light is converging towards a point. A plane parallel plate ...

    Text Solution

    |

  2. The length of a vertical pole at the surface of a lake of water (mu=4/...

    Text Solution

    |

  3. A ray of light strikes a glass plate at an angle of 60^(@). If the ref...

    Text Solution

    |

  4. A microscope is focussed on a coin lying at the bottom of a beaker. Th...

    Text Solution

    |

  5. Two transparent media A and B are separated by a plane boundary. The s...

    Text Solution

    |

  6. Which of the following phenomenon light forms a rainbow?

    Text Solution

    |

  7. Which of the following is used in optical fibres?

    Text Solution

    |

  8. An object is placed at a distance of f//2 from a convex lens. The imag...

    Text Solution

    |

  9. The place faces of two identical plano-convex lenses, each with focal ...

    Text Solution

    |

  10. Two thin lenses of focal lengths 20 cm and -20 cm are placed in contac...

    Text Solution

    |

  11. If in a planoconvex lens, the radius of curvature of the convex surfac...

    Text Solution

    |

  12. A glass concave lens is placed in a liquid in which it behaves like a ...

    Text Solution

    |

  13. Diameter of plano-convex lens is 6 cm and thickness at the centre is 3...

    Text Solution

    |

  14. Two plano-convex lenses of equal focal lengths are arranged as shown ...

    Text Solution

    |

  15. When the object is at distance u1 and u2 from the optical centre of a ...

    Text Solution

    |

  16. A convex mirror of focal length f produced an image (1//n)^(th) of the...

    Text Solution

    |

  17. A thin convergent glass lens (mug=1.5) has a power of +5.0D. When this...

    Text Solution

    |

  18. In case of displacement method of lenses, the product of magnification...

    Text Solution

    |

  19. The focal length of a planoconvex glass lens is 20 cm (mu(g)=1.5). The...

    Text Solution

    |

  20. Two thin similar convex glass pieces are joined together front to fron...

    Text Solution

    |