Home
Class 12
PHYSICS
The ratio of contributions made by the e...

The ratio of contributions made by the electric field and magnetic field components to the intensity of an electromagnetic wave is

A

`C:1`

B

`C^(2):1`

C

`1:1`

D

`sqrt(c:1)`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • ELECTROMAGNETIC WAVES

    AAKASH SERIES|Exercise EXERCISE -IB|37 Videos

  • ELECTROMAGNETIC WAVES

    AAKASH SERIES|Exercise EXERCISE -II|22 Videos

  • ELECTROMAGNETIC WAVES

    AAKASH SERIES|Exercise EXERCISE -II|22 Videos

  • ELECTROMAGNETIC INDUCTION

    AAKASH SERIES|Exercise Additional Exercise|11 Videos

  • ELECTROMAGNETICS

    AAKASH SERIES|Exercise ADDITIONAL EXERCISE|13 Videos

Similar Questions

Explore conceptually related problems

The ratio of contributions made by the eletric field and magnetic field components to the intensity of an EM wave is.

The ratio of contributions made by the eletric field and magnetic field components to the intensity of an EM wave is.

The ratio of contributions made by the eletric field and magnetic field components to the intensity of an EM wave is.

The ratio of contributions made by the eletric field and magnetic field components to the intensity of an EM wave is.

The electric and magnetic field of an electromagnetic wave is

The ratio of magnetisation I to the magnetic field intensity H is

If u_(E ) and u_(B) be the time average of the electric and magnetic field energy densities at a point due to electromagnetic wave, then

Magnetic field intensity is defined as

STATEMENT-1 : Ratio of magnitudes of electric field magnetic field in an electromangnetic wave is constant. STATEMENT-2 : Electric field and magnetic field are always is same phase in an electromagnetic wave.

The energy associated with electric field is (U_(E)) and with magnetic field is (U_(B)) for an electromagnetic wave in free space. Then :

AAKASH SERIES-ELECTROMAGNETIC WAVES-EXERCISE -IA
  1. Practically ozone layer absorbs the radiation of wavelength

    Text Solution

    |

  2. A radiation of energy E falls normally on a perfectly reflecting surfa...

    Text Solution

    |

  3. The type of electromagnetic wave propagation which is effected as a re...

    Text Solution

    |

  4. X-rays are known as to be electromagnetic radi­ation. Therefore the X-...

    Text Solution

    |

  5. The altitude of the ozone layer in the atmosphere and the ‘type’ of th...

    Text Solution

    |

  6. Four atmospheric layers are given below, namely (i) stratosphere (ii) ...

    Text Solution

    |

  7. Infrared radiations are detected by

    Text Solution

    |

  8. Finger prints on a piece of paper may be detected by sprinkling fluore...

    Text Solution

    |

  9. The atmosphere above the height of 80 km is called

    Text Solution

    |

  10. The frequency from 3Hz to 30MHz is known as

    Text Solution

    |

  11. The frequency from 3xx10^(9) Hz to 3xx10^(10) Hz is

    Text Solution

    |

  12. A cube of edge a has its edges parallel to X, Y and Z -axis of rectang...

    Text Solution

    |

  13. Green house effect is

    Text Solution

    |

  14. One requires 11eV of energy to dissociate a carbon monoxide molecule i...

    Text Solution

    |

  15. The ratio of contributions made by the electric field and magnetic fie...

    Text Solution

    |

  16. An electromagnetic wave radiates outwards from a dipole antenna, with ...

    Text Solution

    |

  17. A variable frequency AC source is connected a capacitor . How will the...

    Text Solution

    |

  18. The condition under which a microwave oven heats up a food item conta...

    Text Solution

    |

  19. Match List-I (Electromagnetic wave type) with List-II (Its association...

    Text Solution

    |

  20. Electromagnetic waves with wavelength (i) lambda(1) is used in satel...

    Text Solution

    |