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

A beam of light strikes a glass plate at an angle of incident `60^(@)` and reflected light is completely polarised than the refractive index of the plate is-

A

`1.5`

B

`sqrt(3)`

C

`sqrt(2)`

D

`(3)/(2)`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • WAVE OPTICS

    ALLEN|Exercise Exercise 2 (Brain Teasures)|22 Videos

  • WAVE OPTICS

    ALLEN|Exercise Exercise 3 (Miscellaneous type Questions)|27 Videos

  • WAVE OPTICS

    ALLEN|Exercise Example 15|1 Videos

  • UNIT & DIMENSIONS, BASIC MATHS AND VECTOR

    ALLEN|Exercise Exercise (J-A)|7 Videos

Similar Questions

Explore conceptually related problems

A beam of light strikes a surface at angle of incidence of 60^(@) and reflected beam becomes completely polarised . The refractive index of glass surface is -

When light of particular wavelength falls on a plane surface at an angle of incidence 60^(@) then the reflected light becomes completely plane polarised Find the refractive index of surface material and the angle of refraction through it.

A ray of light strikes a glass plate at an angle of incidence 57^(@) . If the reflected and refracted rays are perpendicular to eachother, calculate critical angle for total internal reflection at glass air interface.

A ray of light strikes a glass plate at an angle of 40^(@) . If the reflected and refracted rays are perpendicular to each other the index of refractive of glass is

When the angle of incidence on a material is 60^(@) , the reflected light is completely polarised. The velocity of the refracted ray inside the materials is (in m//sec^(-1))

Light is incident at an angle i on a glass slab. If the reflected ray is completely polarised , then the angle of refraction is

The angle of incidence at which reflected light is totally polarized for reflection from ait to glass (refractive index n), is :

ALLEN-WAVE OPTICS-Exercise 1 (Check your Grasp)
  1. In single slit fraunhoffer diffraction which type of wavefront is requ...

    Text Solution

    |

  2. In the diffractin pattern of a single slit aperture, the width of the ...

    Text Solution

    |

  3. Central fringe obtained in diffraction pattern due to a single slit-

    Text Solution

    |

  4. In a single slit diffraction pattern, if the light source is used of l...

    Text Solution

    |

  5. In the laboratory, diffraction of light by a single slit is being obse...

    Text Solution

    |

  6. Find the half angular width of the central bright maximum in the fraun...

    Text Solution

    |

  7. In a fraunhofer's diffraction by a slit, if slit width is a, wave leng...

    Text Solution

    |

  8. In a fraunhofer's diffraction obtained by a single slit aperture, the ...

    Text Solution

    |

  9. A polariser in used to

    Text Solution

    |

  10. Light waves can be polarised as they are

    Text Solution

    |

  11. Through which character we can distiguish the light waves from sound w...

    Text Solution

    |

  12. The angle of polarisation for any medium is 60^@. What will be critica...

    Text Solution

    |

  13. The angle of incidence at which reflected light is totally polarized f...

    Text Solution

    |

  14. A polaroid is placed at 45^@ to an incoming light of intensity I0. Now...

    Text Solution

    |

  15. Plane polarised light is passed through a polaroid. On viewing through...

    Text Solution

    |

  16. A ray of light is incident on the surface of a glass plate at an angle...

    Text Solution

    |

  17. A beam of light strikes a glass plate at an angle of incident 60^(@) a...

    Text Solution

    |

  18. Polarised glass is used in sum glasses because:

    Text Solution

    |

  19. When unpolarised light beam is incident from air onto glass (n=1.5) at...

    Text Solution

    |

  20. When the angle of incidence on a material is 60^(@), the reflected lig...

    Text Solution

    |