Home
Class 12
PHYSICS
Two polaroids are kept crossed to each o...

Two polaroids are kept crossed to each other. Now one of them is rotated through an angle of `45^(@)` . The percentage of incident light now transmitted through the system is

A

`15%`

B

`25%`

C

`50%`

D

`60%`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • DRILL TEST 1

    NEET MAJOR TEST (COACHING)|Exercise PHYSICS|45 Videos
  • DRILL TEST 5

    NEET MAJOR TEST (COACHING)|Exercise PHYSICS|24 Videos

Similar Questions

Explore conceptually related problems

Two polaroids are kept crossed to each other . If one of them is rotated an angle 60^@ , the percentage of incident light now transmitted through the system is

Two polaroids are crossed to each other. One of them is rotated through 60^(@) , what % age of incident unpolarised light will pass through the system ?

Two Nicols are oriented with their principal planes making an angle of 60^@ . The percentage of incident unpolarised light which passes through the system is

Two polrizers are oriented with transmission planes making an angle of 60^(@) . The percentage of incident unpolarized light that passes through the system is

Two polariods are oriented with their transmision axes making angle of 30^(@) with each other. The fraction of incident un polarised light is transmitted

The angle between pass axis of polarizer and analyser is 45^(@) . The percentage of polarized light passing through analyser is

Two polaroids are crossed. If now one of them is rotated through 30^(@) and unpolarised light of intensity l_(0) is incident on the first polaroid, then the intensity of transmitted light will be

Two polaroids are crossed. If one of them is rotated through 30^(@) and unpolarised light of intensity l_(0) is incident on the first polaroid, then the intensity of transmitted light will be

Two polaroids are kept initially with their axes parallel to each other. One of the palaroid is then rotated through various angles. How would the intensity of light coming from the rotating polaroid be affected, compared to initial intensity if it is ratated through (i) 45^@ (ii) 90^@ (iii) 180^@ .

NEET MAJOR TEST (COACHING)-DRILL TEST 2-PHYSICS
  1. For the given circuit the power dissipated by Zener diode is

    Text Solution

    |

  2. A beam of light consisting of red, green and blue colours isincident o...

    Text Solution

    |

  3. Seven resistances are connected as shown in the figure. The equivalent...

    Text Solution

    |

  4. A cube made of wires of equal length is connected to a battery as show...

    Text Solution

    |

  5. An LC current contains inductance L=1mu H and capacitance C=0.01 muF. ...

    Text Solution

    |

  6. In a transistor, the current amplification factor alpha is 0.9. The tr...

    Text Solution

    |

  7. A convex lens of focal length 40 cm is in contact with a concave lens ...

    Text Solution

    |

  8. In the figure, when key 'K' is opened the reading of the ammeter A wil...

    Text Solution

    |

  9. Three identical solenoids are connected as shown in figure. If magneti...

    Text Solution

    |

  10. If an alternating voltage is represented as E=141 sin (628 t), then ...

    Text Solution

    |

  11. The focal lengths of the objective and eye lenses of a telescope are r...

    Text Solution

    |

  12. The potential gradient long the length of a unifrom wire is 10 "volt"/...

    Text Solution

    |

  13. A particle of mass m, charge q and kinetic energy T enters in a transv...

    Text Solution

    |

  14. If the equation of alternating emf is V = 200 sin 300t, then for a cir...

    Text Solution

    |

  15. When radiation of wavelength lambda is incident on a metallic surface...

    Text Solution

    |

  16. In Young's double-slit experiment the angular width of a fringe formed...

    Text Solution

    |

  17. A microameter has a resistance of 100 omega and a full scale range of ...

    Text Solution

    |

  18. A charge + Q is moving upwards vertically. It enters a magnetic field ...

    Text Solution

    |

  19. The de Broglie wavelength of an electron and the wavelength of a photo...

    Text Solution

    |

  20. Two polaroids are kept crossed to each other. Now one of them is rotat...

    Text Solution

    |