Home
Class 12
PHYSICS
The relation between electric field E an...

The relation between electric field E and magnetic field H in an electromagnetic wave is

A

`E=(B)/(c)`

B

`E=cB`

C

`E=(B)/(c^(2))`

D

`E=c^(2)B`

Text Solution

Verified by Experts

The correct Answer is:
B

At every instant the ratio of the ratio of the magnitude of the electric field to that of the magnetic field in an electromagnetic wave equals the speed of light.
Promotional Banner

Topper's Solved these Questions

  • ELECTROMAGNETIC WAVES

    MTG GUIDE|Exercise CHECK YOUR NEET VITALS|25 Videos
  • ELECTROMAGNETIC WAVES

    MTG GUIDE|Exercise AIPMT/NEET(MCQs)|15 Videos
  • ELECTROMAGNETIC WAVES

    MTG GUIDE|Exercise AIPMT/NEET(MCQs)|15 Videos
  • ELECTROMAGNETIC INDUCTION AND ALTERNATING CURRENTS

    MTG GUIDE|Exercise AIPMT/NEET MCQS|31 Videos
  • ELECTRONIC DEVICES

    MTG GUIDE|Exercise AIPMT/NEET (MCQs)|42 Videos

Similar Questions

Explore conceptually related problems

The relation between electric field E and magnetic field induction B in an electromagnetic waves

The electric and magnetic field of an electromagnetic wave is

The electric and magnetic field of an electromagnetic wave are:

Write the relation between the following: (a) Direction of propagation and directions oscillation of the electric and magnetic field vectors in an electromagnetic wave. (b) Velocity of the electormagnetic wave in vacuum and the permeability and permittivity of free space.

Relation between energy density of electric field and magnetic field in em wave.

If the electric field and magnetic field of an electromagnetic wave are related as B= ( E)/( c) where the symbols have their usual meanings and the energy in a given volume of space due to the electric field part is U, then the energy due to the magnetic field part will be

MTG GUIDE-ELECTROMAGNETIC WAVES-NEET CAFÉ (TOPICWISE PRACTICE QUESTIONS)
  1. The rms value of the electric field of the light from the sun is 720 N...

    Text Solution

    |

  2. In a plane electromagnetic wave, the electric field oscillates sinusoi...

    Text Solution

    |

  3. The relation between electric field E and magnetic field H in an elect...

    Text Solution

    |

  4. The velocity of electromagnetic wave is parallel to

    Text Solution

    |

  5. A point source of electromagnetic radiation has an average power outpu...

    Text Solution

    |

  6. Radiations of intensity 0.5 W//m^(2) are striking a metal plate. The p...

    Text Solution

    |

  7. The magnetic field in the plane electromagnetic wave is given by B(z...

    Text Solution

    |

  8. If E and B denote electric and magnetic fields respectively, which of ...

    Text Solution

    |

  9. The frequnecy of visible light is of the order of

    Text Solution

    |

  10. The electric field of an electromagnetic wave travelling through vaccu...

    Text Solution

    |

  11. The electric field of a plane electromagnetic wave varies with time of...

    Text Solution

    |

  12. If the total electromagnetic energy falling on a surface is U then the...

    Text Solution

    |

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

    Text Solution

    |

  14. A plane electromagnetic wave of frequency 25 Mhz travels in free space...

    Text Solution

    |

  15. The magnetic field of an electromagnetic wave is given by 3 xx 10^(-...

    Text Solution

    |

  16. Eelctromagnetic wave consists of periodically oscillating electric and...

    Text Solution

    |

  17. An electromagnetic wave propagating along north has its electric field...

    Text Solution

    |

  18. The speed of electromagnetic wave in vacuum

    Text Solution

    |

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

    Text Solution

    |

  20. Which of the following has/have zero average value in a plane electrom...

    Text Solution

    |