Home
Class 12
PHYSICS
In the case of linearly polarized light,...

In the case of linearly polarized light, the magnitude of he electric field vector

A

does not change with time

B

varies periodically with time

C

is parallel to the direction of propagation

D

increases and decreases linearly with time

Text Solution

Verified by Experts

The correct Answer is:
B
The magnitude of electric field vector varies periodically with time because it is in the form of electromagnetic wave.
Promotional Banner

Topper's Solved these Questions

  • ELECTROMAGNETIC WAVES

    DC PANDEY ENGLISH|Exercise Match the columns|2 Videos

  • ELECTROMAGNETIC INDUCTION

    DC PANDEY ENGLISH|Exercise Medical entrances gallery|25 Videos

  • ELECTROSTATIC POTENTIAL AND CAPACITORS

    DC PANDEY ENGLISH|Exercise (C) Chapter exercises|50 Videos

Similar Questions

Explore conceptually related problems

In case of linearly polarised light, the magnitude of the electric field vector

Assertion: If we see along the axis of a chaged ring, the magnitudeof electric field is minimum at centre and magnitude of electridc potential is maximum. Reason: Electric field is a vector quantity while electric potential is scalar.

A : In an EM wave the magnitude of the electric field vector is more than the magnitude of the magnetic field vector. R : Energy of the EM wave is shared equally between the electric and magnetic fields.

Imagine a short diploe at the center of a spherical surface. If the magnitude of the electric field at a certain point on the surface of he sphere is 10NC^(_1) then which of the following cannot be the magnitude of the electric field anywhere on the surface of the sphere?

a proton placed in an electric field would experience an electrical force equal to its weight. the magnitude of electric field intensity E would be

The maximum electric field at a point on the axis of a uniformly charged ring is E_(0) . At how many points on the axis will the magnitude of the electric field be E_(0)//2 .

What is meant by plane polarized light?

At which distance along the centre axis of a uniformaly charged plastic disc of radius R is the magnitude of the electric field equal to one-half the magnitude of the field at the centre of the surface of the disc ?

Consider the following two statements regarding a linearly polarized, plane electromagnetic wave: The electric field and the magnetic field have equal average values. The electric energy and the magnetic energy have equal average values.

If the given figure shows equipotential surfaces, then the magnitude of electric field is

DC PANDEY ENGLISH-ELECTROMAGNETIC WAVES-Sec C
  1. The electric vector vibration of an electromagnetic wave is given by E...

    Text Solution

    |

  2. Which radiations are used in treatment of muscles ache?

    Text Solution

    |

  3. In the case of linearly polarized light, the magnitude of he electric ...

    Text Solution

    |

  4. A leaf which contains only green pigments, is illuminated by a laser l...

    Text Solution

    |

  5. The ratio of amplitude of magnetic field to the amplitude of electric ...

    Text Solution

    |

  6. In electromagnetic wave , according to Maxwell , changing electric fie...

    Text Solution

    |

  7. The speed of light in an isotropic medium depends on

    Text Solution

    |

  8. The energy of gamma (gamma) ray photon is E(gamma) and that of an X-ra...

    Text Solution

    |

  9. The speed of electmagnetic waves in vacuum is equal to

    Text Solution

    |

  10. A plane electromagnetic wave of frequency 20 MHz travels through a spa...

    Text Solution

    |

  11. In electromagnetic spectrum, the frequencies of gamma-rays and X-rays ...

    Text Solution

    |

  12. The electromagnetic waves detected using a thermopile and used in phys...

    Text Solution

    |

  13. The wavelength of X-rays is in the range

    Text Solution

    |

  14. The wavelength of the short radio waves, microwaves, ultraviolet waves...

    Text Solution

    |

  15. The transverse nature of electromagnetic waves is proved by which of t...

    Text Solution

    |

  16. Which component of electromagnetic spectrum have maximum wavelength?

    Text Solution

    |

  17. The condition under which a microwave oven heats up a food item contai...

    Text Solution

    |

  18. If c is the velocity of light in free space, the time taken by light t...

    Text Solution

    |

  19. The electric field associated with an electromagnetic wave in vacuum i...

    Text Solution

    |

  20. The wave function (in SI unit) for a light wave is given as Psi(x,t) =...

    Text Solution

    |