Home
Class 12
PHYSICS
The axes of the polariser and analyser a...

The axes of the polariser and analyser are inclined to each other at `60^(@)`. If the amplitude of polarised light emergent through analyser is A. The amplitude of unplorised light incident polariser is

A

`(A)/(2)`

B

`A`

C

`2A`

D

`2 sqrt(2)A`

Text Solution

Verified by Experts

The correct Answer is:
D

`A_(1)=A_(0)cos 45 = (A_(0))/(sqrt(2)) , A_(2) = (A)/(sqrt(2)) cos theta`
Promotional Banner

Topper's Solved these Questions

  • WAVE OPTICS

    NARAYNA|Exercise LEVEL - II (C.W)|31 Videos
  • WAVE OPTICS

    NARAYNA|Exercise LEVEL - III|30 Videos
  • WAVE OPTICS

    NARAYNA|Exercise Exercise - 4 Polarisation|9 Videos
  • SEMICONDUCTOR ELECTRONICS

    NARAYNA|Exercise ADDITIONAL EXERCISE (ASSERTION AND REASON TYPE QUESTIONS :)|19 Videos

Similar Questions

Explore conceptually related problems

The amplitude of polarised light transmitted through a polariser is A. The amplitude of unpolarised light incident on it is

The polariser and analyser are inclined to each other at 60^(@) . The intensity of polarised light emerging from polariser is I. The intensity of the unpolarised light incident on the polariser is

Unpolarised light passes through a polariser and analyser which are at an angle of 45^(@) with respect to each other. The intensity of polarised light coming fromanalyse is 5W//m^(2) . The intensity of unpolarised light incident on polariset is

Light can not be polarised by

What is meant by polarised light ?

An analyser is inclined to a polariser at an angle of 30^(0) . The intensity of light emerging from the analyser is (1)/(n) th of that is incident on the polariser. Then n is equal to

An analyser is inclined to a polariser at an angle of 30^(@) . The intensity of light emerging on the polariser. Then n is equal to

When the polariser and analyser are in the crossed position the intensity of the out coming light is

NARAYNA-WAVE OPTICS-LEVEL - I (C.W)
  1. Assertion (A) : For best contrast between maxima and minima in the int...

    Text Solution

    |

  2. Assertion (A) : Thin films such as soap bubble or a thin layer of oil ...

    Text Solution

    |

  3. Assertion (A) : The flim which appears bright in reflected system will...

    Text Solution

    |

  4. Frist diffraction minima due to of a single slit diffraction is at the...

    Text Solution

    |

  5. In a single slit diffraction, the width of slits is 0.5cm, focal lengt...

    Text Solution

    |

  6. Angular width of central maxima is pi//2, when a slit of width 'a' is ...

    Text Solution

    |

  7. The sun subtends asn angle of (1//2)^(@) on earth. The image of sun is...

    Text Solution

    |

  8. The limit of resolution of microscope, if the numerical aperture of mi...

    Text Solution

    |

  9. The least resolvable angle by a telescope using objective of aperture ...

    Text Solution

    |

  10. Wavelength of light used in an optical instrument are lambda(1) = 4000...

    Text Solution

    |

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

    Text Solution

    |

  12. A light is incident on a transparent medium of mu = 1.732 at the pola...

    Text Solution

    |

  13. A ray of light in air is incident on a glass plate at polarising angle...

    Text Solution

    |

  14. The cirtical angle for total internal reflection for a substance is 45...

    Text Solution

    |

  15. Unpolarized light of intensity I(0)is incident on a polarizer and the ...

    Text Solution

    |

  16. The axes of the polariser and analyser are inclined to each other at 6...

    Text Solution

    |

  17. Unpolarised light of intensity I is inciedent on a polarizer and the e...

    Text Solution

    |

  18. A parallel beam of width 'a' is incident on the surface of glass slab ...

    Text Solution

    |

  19. When a parallel beam of monochormatic light suffers refraction while g...

    Text Solution

    |

  20. A parallel beam of light in incident on a liquid surface such that the...

    Text Solution

    |