Home
Class 12
PHYSICS
If unpolarised light of intensity I(0) i...

If unpolarised light of intensity `I_(0)` is incident on the polarising plate, intensity of emerging light will be ......

A

zero

B

`I_(0)`

C

`(1)/(2)I_(0)`

D

`(1)/(4)I_(0)`

Text Solution

Verified by Experts

The correct Answer is:
A
Intensity of polarsing light `=(I_(0))/(2)`
Intensity of light not coming out `I=-(I_(0))/(2)=(I_(0))/(2)`
Promotional Banner

Topper's Solved these Questions

  • WAVE OPTICS

    KUMAR PRAKASHAN|Exercise SECTION-C NCERT Exemplar Solution (Long Answer Type Questions)|5 Videos

  • SEMICONDUCTOR ELECTRONICS : MATERIALS, DEVICES AND SIMPLE CIRCUITS

    KUMAR PRAKASHAN|Exercise Section-D : Multiple Choice Questions (MCQs) (MCQs asked in Competitive Exams)|129 Videos

Similar Questions

Explore conceptually related problems

When an unpolarized light of intensity I_0 is incident on a polarizing sheet, the intensity of the light which does not get transmitted is

An unpolarised beam of light of intensity l_0 falls on a poloroid. The intensity of the emergent beam is

If light of intensity lo is incident at an angle 45^(@) with optical axis of polaroid, so intensity of emerging light is......

What is intensity of radiation (light)?

Unpolarized light of intensity I_(0) is incident on surface of a block of glass at brewster's angle. In that case, which one of the following statements is true-

Two polaroids are in crossed situation and intensity of polarized light is zero. If third polaroid is placed in between such that it makes half angle with optic axis, than angle between two polaroids, then intensity of polarized light will be ....... Where I_(0) is maximum intensity of incident light.

A narrow monochromatic beam of light of intensity I is incident on a galss plate as shown in figure. Another identical glass plate is kept close to the first one & parallel to it. Each glass plate reflects 25% of the light incident on it and transmits the remaining find the ratio of the minimum & the maximum intensities in the interference pattern formed by the two beams obtained after one reflection at each plate.

The polarisation of light proved that light is composed of ......

Can reflection result in plane polarised light if the light is incident on the interface from the side with higher refractive index ?

Show that when the unpolarized light passe through polariser then the intensity emerging light is half that of the intensity the incident light.

KUMAR PRAKASHAN-WAVE OPTICS-SECTION-D (MULTIPLCE CHOICE QUESTIONS (MCQS)) (MCQS FROM DARPAN BASED ON TEXTBOOK)
  1. The maximum number of possible interference maxima for slit-separation...

    Text Solution

    |

  2. A Young's double slit experiment uses a monochromatic source. The shap...

    Text Solution

    |

  3. If unpolarised light of intensity I(0) is incident on the polarising p...

    Text Solution

    |

  4. On screen there are two bright points at a distance I mm. These points...

    Text Solution

    |

  5. if the intensity of the principal maximum in the single slit Fraunhoff...

    Text Solution

    |

  6. In a Young's double slit experiment the intensity at a point where the...

    Text Solution

    |

  7. A mixture of light consisting of wavelength 590 nm and an unknown wave...

    Text Solution

    |

  8. At two points P and Q on a screen in Young's double slit experiment, w...

    Text Solution

    |

  9. In Young's double slit experiment, the two slits act as coherent sourc...

    Text Solution

    |

  10. In Young's double slit experiment, one of the slit is wider than other...

    Text Solution

    |

  11. A beam of unpolarised light of intensity is passed through a polaroid ...

    Text Solution

    |

  12. Two coherent point sources S(1) and S(2) are separated by a small dist...

    Text Solution

    |

  13. Two beams, A and B of plane polarised light with mutually perpendicula...

    Text Solution

    |

  14. The box of a pin hole camera of length L has a hole of radius a. It is...

    Text Solution

    |

  15. In a Young's double slit experiment, slits are separated by 0.5 mm and...

    Text Solution

    |

  16. An observer is moving with half the speed of light towards a stationar...

    Text Solution

    |

  17. Unpolarized light of intensity I passes through an ideal polarizer A. ...

    Text Solution

    |

  18. The angular width of the central maximum in a single slit diffraction ...

    Text Solution

    |

  19. Consider a Young's double slit experiment as shown in figure. What sho...

    Text Solution

    |

  20. A polarizer analyzer set is adjusted such that the intensity of ligth ...

    Text Solution

    |