Home
Class 12
PHYSICS
Which one of the following is the proper...

Which one of the following is the property of a monochromatic, plane electromagnetic wave in free space?

A

Electrica and magnetic fields have a plane difference of `pi//2`

B

The energy contribution of both electric and magnetic fields are equal

C

The direction of propagation is in the direction of `B xx E`

D

The pressure exerted by the wave is the product of its speed and energy density

Text Solution

Verified by Experts

The correct Answer is:
B
The energy in EM waves is divided equally between the electric and magnetic fields.
Promotional Banner

Topper's Solved these Questions

  • ELECTROMAGNETIC WAVES

    DC PANDEY|Exercise Sec B|5 Videos

  • ELECTROMAGNETIC WAVES

    DC PANDEY|Exercise Match the columns|2 Videos

  • ELECTROMAGNETIC WAVES

    DC PANDEY|Exercise Check point 8.2|15 Videos

  • ELECTROMAGNETIC INDUCTION

    DC PANDEY|Exercise Medical entrances gallery|25 Videos

  • ELECTROSTATIC POTENTIAL AND CAPACITORS

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

Similar Questions

Explore conceptually related problems

The speed of electromagnetic waves in free space is

Which one of the following is not a property of electromag -netic waves ?

Which of the following have zero average value in a plane electromagnetic wave?

Which of the following has/have zero average value in a plane electromagnetic wave?

Which one of the following statements concening the energy carried by an electromagnetic wave is true ?

Which of the following statement is false for the properties of electromagnetic waves?

Which of the following statement is false for the properties of electromagnetic waves?

Which one of the following can produce electromagnetic waves?

Which of the following is not electromagnetic wave?

DC PANDEY-ELECTROMAGNETIC WAVES-Sec A
  1. The speed of electromagnetic wave in vacuum depends upon the source of...

    Text Solution

    |

  2. The velocity of electromagnetic waves in free space can be given by re...

    Text Solution

    |

  3. Which one of the following is the property of a monochromatic, plane e...

    Text Solution

    |

  4. The essential distinction between X - rays and gamma - rays is that

    Text Solution

    |

  5. An EM wave radiates out wards from a dipole antenna with E(0) as the a...

    Text Solution

    |

  6. The sum delilvers 10^(4) W//m^(2) of electromagnetic flux to earth's s...

    Text Solution

    |

  7. If E and B represent electric and magnetic field vectors of the electr...

    Text Solution

    |

  8. If epsi(0) and mu(0) are respectively, the electric permittivity and t...

    Text Solution

    |

  9. Which is the correct expression of velocity of light?

    Text Solution

    |

  10. Which of the following statement is false for the properties of electr...

    Text Solution

    |

  11. The average electric field of electromagnetic waves in certain region ...

    Text Solution

    |

  12. The electric and the magnetic field, associated with a electromagnetic...

    Text Solution

    |

  13. The magnetic field amplitude of an electromagnetic wave is 2 xx 10^(-7...

    Text Solution

    |

  14. A parallel plate capacitor is charged to 60 muC. Due to a radioactive ...

    Text Solution

    |

  15. The pressure exerted by an electromagnetic wave of intensity I (Wm^(-2...

    Text Solution

    |

  16. An L-c resonant circuit contains a 200 pF capacitor and a 200muH induc...

    Text Solution

    |

  17. Radiation of intensity 1 W//m^(2) are striking on a metal plate. The p...

    Text Solution

    |

  18. A linearly polarised electromagnetic wave given as E=E(0)haticos(kz-om...

    Text Solution

    |

  19. The magnetic field in a plane electromagnetic wave is given by B(y) ...

    Text Solution

    |

  20. An em wave going through vacuum is described by E=E0sin(kx-omegat) B...

    Text Solution

    |