Home
Class 12
PHYSICS
The ratio between the amplitudes of elec...

The ratio between the amplitudes of electric and magnetic fields at any point on a progressive electromagnetic wave in free space is equal to

A

`1/(mu_0in_0)`

B

`1/sqrt(mu_0in_0)`

C

`sqrt(mu_0in_0)`

D

`mu_0in_0`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • ELECTROMAGNETIC WAVES

    CHHAYA PUBLICATION|Exercise EXERCISE (VERY SHORT ANSWER )|16 Videos

  • ELECTROMAGNETIC WAVES

    CHHAYA PUBLICATION|Exercise EXERCISE (SHORT ANSWER TYPE QUESTION -I)|3 Videos

  • ELECTROMAGNETIC WAVES

    CHHAYA PUBLICATION|Exercise NCERT EXEMPLAR QUESTIONS|7 Videos

  • ELECTROMAGNETIC INDUCTION & ALTERNATING CURRENT

    CHHAYA PUBLICATION|Exercise CBSE SCANNER|28 Videos

  • ELECTROMAGNETISM

    CHHAYA PUBLICATION|Exercise CBSE SCANNER|26 Videos

Similar Questions

Explore conceptually related problems

Statement I: The ratio of the amplitudes of electric and magnetic fields at a point in the electromagnetic wave is same as the velocity of wave. Statement II: If in a medium, mu and in are the magnetic permeability and the electric permittivity respectively, then 1//sqrt(muin) is the velocity of electromagnetic wave in that medium.

Which physical quantity is expressed by the ratio of the amplitudes of electric and magnetic fields for an electro magnetic wave.

Write down the two expressions by which electric and magnetic fields of an electromagnetic wave can be represented.

Write down an expression for speed of electromagnetic wave in free space in terms of mu_0 and in_0 .

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

Draw a neat diagram showing the direction of electric (E ) and magnetic (B ) field vectors in an electromagnetic wave with the direction of the velocity v of propagation of the wave.

Write the expression for the energy density of an electromagnetic wave propagating in free space.

What are the directions of electric and magnetic field vectors relative to each other and relative to the direction of propagation of electromagnetic waves?

CHHAYA PUBLICATION-ELECTROMAGNETIC WAVES -EXERCISE (MCQ)
  1. mu0 and in0 are the magnetic permeability and the electric permittivit...

    Text Solution

    |

  2. Electric flux enclosed by a surface A is given by - (A) in0 int vecE....

    Text Solution

    |

  3. Electromagnetic waves are produced by - (A) A static charge. (B) A un...

    Text Solution

    |

  4. Of the following frequencies, which one may be the frequency of a radi...

    Text Solution

    |

  5. Of the following frequencies, which one may be the frequency of X-rays...

    Text Solution

    |

  6. Of the following frequencies, which one may be the frequency of an inf...

    Text Solution

    |

  7. Wavelengths of microwave, ultraviolet and infrared rays are lambdam,la...

    Text Solution

    |

  8. Which one of the following is not an electromagnetic wave?

    Text Solution

    |

  9. Which of the following has the shortest wavelength?

    Text Solution

    |

  10. Frequency orders of gamma-rays, X-rays, UV rays are a, b and c respect...

    Text Solution

    |

  11. The decreasing order of wavelength of infrared, micro- wave, ultraviol...

    Text Solution

    |

  12. Electromagnetic wave is a kind of - (A) Matter wave (B) Stationary wa...

    Text Solution

    |

  13. Which phenomenon proves that electromagnetic waves are transverse wave...

    Text Solution

    |

  14. The ratio between the amplitudes of electric and magnetic fields at an...

    Text Solution

    |

  15. In a plane electromagnetic wave, the electric field (E) having amplitu...

    Text Solution

    |

  16. The electric and the magnetic field associated with an em wave propaga...

    Text Solution

    |

  17. An electromagnetic wave in vacuum has the electric and magnetic fields...

    Text Solution

    |

  18. The electric field associated with an em wave in vacuum is given by ve...

    Text Solution

    |