Home
Class 12
PHYSICS
Using B=(mu0) H find the ration (E0/H0) ...

Using `B=(mu_0) H find the ration (E_0/H_0)` for a plane electromagnetic wave propagating through vacuum. Show that it has the dimensions of electric resistance. This ratio is a universal constant called the impedance of free space.

A

Impedance

B

Resistance

C

Both

D

None

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • ELECTRO MAGNETIC WAVES

    MOTION|Exercise EXERCISE - 2|36 Videos
  • ELECTRO MAGNETIC WAVES

    MOTION|Exercise EXERCISE - 3 (SECTION - A)|23 Videos
  • ELECTRO MAGNETIC WAVES

    MOTION|Exercise EXERCISE - 3 (SECTION - B)|8 Videos
  • ELECTRO MAGNETIC INDUCTION

    MOTION|Exercise EXERCISE-4| Section B (Prevous Years Problems )|29 Videos
  • ELECTROMAGNETIC INDUCTION

    MOTION|Exercise EXERCISE-4 (LEVEL-II)|13 Videos

Similar Questions

Explore conceptually related problems

In an electromagnetic wave propagating through space,peak value of electric field is 0.12V/cm The peak value of magnetic field induction is

An electromagnetic wave going through vacuum is described by E= E_0 sin(kx- omega t), B=B_0sin(kx-omega t) . Then

Show that for an electromagnetic wave in vacuum, at any point, at any time, the unit of E/H ratio is ohm.

Show that h/(m_0c) is of the dimensions of length where h is Planck constant , m_0 , rest mass and c, velocity of light.

An electromagnetic wave is propagating in vacuum along z-axis, the electric field component is given by E_(x) = E_(0) sin (kz - omega t) , then magnetic component is

Which of the following combinations has the dimension of electrical resistance ( in_(0) is the permittivity of vacuum and mu_(0) is the permeability of vacuum)?

The electric field of a plane electromagnetic wave propagating along the x direction in vacuum is vecE = E_0 hatj cos (omegat - kx) . The magnetic field vecB , at the moment t=0 is :

An electromagnetic wave is propagating in vacuum along z-axis, the electric field component is given by E_(x)=E_(0)sin (kz-omegat) . Then magnetic components is

IF in_0 is electric permittivity of free space and E is electric field, then show that in_0E^2 has the dimensions of pressure.

MOTION-ELECTRO MAGNETIC WAVES -EXERCISE - 1
  1. An electromagnetic wave is propagating along Y-axis. Then

    Text Solution

    |

  2. In electromagnetic wave, the phase difference between electric and mag...

    Text Solution

    |

  3. An electromagnetic wave going through vacuum is described by E= E0 s...

    Text Solution

    |

  4. In a place e.m wave, the electric field oscillates sinusoidally at a f...

    Text Solution

    |

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

    Text Solution

    |

  6. An electromagnetic wave going through vacuum is described by E= E0 s...

    Text Solution

    |

  7. Using B=(mu0) H find the ration (E0/H0) for a plane electromagnetic wa...

    Text Solution

    |

  8. A electromagnetic wave going through a medium is given by E = E(0)sin...

    Text Solution

    |

  9. A plane electromagnetic wave of frequency 50 MHz travels in free space...

    Text Solution

    |

  10. Total energy of density of electromagnetic waves in vacuum is given by...

    Text Solution

    |

  11. The average value of electric energy density in an electromagnetic wav...

    Text Solution

    |

  12. A lamp radiates power P(0) uniformly in all directions, the amplitude ...

    Text Solution

    |

  13. In an electromagnetic wave, the amplitude of electric firld is 1 V/m. ...

    Text Solution

    |

  14. The sun delivers 10^3W//m^2 of electromagnetic flux to the earth's sur...

    Text Solution

    |

  15. About 5% of the power of a 100 W light bulb is converted to visible ra...

    Text Solution

    |

  16. In an electromagnetic wave, the electric and magnetizing field are 100...

    Text Solution

    |

  17. Infrared spectrum lies between

    Text Solution

    |

  18. Consider an electric charge oscillating with a frequency of 10 MHz. Th...

    Text Solution

    |

  19. The most penetrating radiation out of the following is

    Text Solution

    |

  20. Which of the following electromagnetic waves has minimum frequency ?

    Text Solution

    |