Home
Class 12
PHYSICS
Write Maxwell's equation for the speed o...

Write Maxwell's equation for the speed of electromagnetic waves and explain the terms.

Text Solution

Verified by Experts

Speed of light in vacuum c=`1/sqrt(mu_0epsilon_0)`
Where `m_0`is absolute magnetic permeability of free space and `e_0` is absolute electric permittivity of free space.
Promotional Banner

Topper's Solved these Questions

  • SUPPLEMENTARY EXAMINATION QUESTION PAPER (WITH ANSWERS) JULY-2017

    SUBHASH PUBLICATION|Exercise PART-D|13 Videos

  • WAVE OPTICS

    SUBHASH PUBLICATION|Exercise NUMERICALS WITH SOLUTIONS|32 Videos

Similar Questions

Explore conceptually related problems

Electromagnetic waves are

What is an electromagnetic wave ?

Electromagnetic waves can be deflected by

Write an expression for the speed of propagation of electromagnetic wave in terms of permittivity and permeability of free space .

Who proposed the theory of electromagnetic waves ?

Write an expression for frequency of electromagnetic wave .

Who propounded the thery of electromagnetic waves ?

SUBHASH PUBLICATION-SUPPLEMENTARY EXAMINATION QUESTION PAPER JULY 2017-QUESTION
  1. Write any two differences between diamagnetic and paramaganetic substa...

    Text Solution

    |

  2. The magnetic flux linked with a coil varies as phi=3t^(2)+4t+9. Find t...

    Text Solution

    |

  3. Write Maxwell's equation for the speed of electromagnetic waves and ex...

    Text Solution

    |

  4. What are de-Brogli Waves ? How does the de-Broglie wavelength vary wit...

    Text Solution

    |

  5. Draw the block diagram of generalised communication system.

    Text Solution

    |

  6. Obtain the relation between electric field and electric potential due ...

    Text Solution

    |

  7. Derive the relation vec(j)=sigmavec(E) with terms which has usual mean...

    Text Solution

    |

  8. How can a moving coil galvanometer be converted into a voltmeter? Expl...

    Text Solution

    |

  9. Mention any three application of eddy currents.

    Text Solution

    |

  10. Define critical angle. Write two conditions for total internal reflect...

    Text Solution

    |

  11. Write any three difference between interference and diffraction.

    Text Solution

    |

  12. Define the terms : Threshold frequency

    Text Solution

    |

  13. Define the terms : Work function.

    Text Solution

    |

  14. Define the terms : Stopping potential.

    Text Solution

    |

  15. Explain the use Zener diode as a voltage regulator.

    Text Solution

    |

  16. Derive an expression for electric field due to an electric dipole at a...

    Text Solution

    |

  17. Obtain an expression for the force between two straight parallel condu...

    Text Solution

    |

  18. Show that a current carrying solenoid is equivalent to a bar magnet.

    Text Solution

    |

  19. Derive th lens maker's formula.

    Text Solution

    |

  20. Derive an experession for the total energy of an electron in stationar...

    Text Solution

    |