Home
Class 12
PHYSICS
Write down the expression for the veloci...

Write down the expression for the velocity of electromagnetic wave in a medium and heance find out an expression for the refractive index of the medium.

Promotional Banner

Topper's Solved these Questions

  • ELECTROMAGNETIC INDUCTION

    R G PUBLICATION|Exercise EXERCISE|84 Videos

  • ELECTRONIC DEVICES

    R G PUBLICATION|Exercise EXERCISE|119 Videos

Similar Questions

Explore conceptually related problems

Write down the expression of velocity of electromagnetic wave in free space.

Obtain an expression for velocity of electromagnetic wave.

Define the refractive index of a medium.

Write the expression for average velocity?

Write down the expression for capacitive reactance.

Give two characteristics of electromagnetic waves. Write the expression for the velocity of electromagnetic waves in terms of the permitivity and permeability of the medium.

Write down the expression for the velocity of longitudinal waves through gaseous medium.hence decuce Laplace's expression for the velocity of sound waves in air.

R G PUBLICATION-ELECTROMAGNETIC WAVES-EXERCISE
  1. What is demodulation? Why is satellite communication necessary for TV ...

    Text Solution

    |

  2. What is the basic difference between amplitude modulation and frequenc...

    Text Solution

    |

  3. Write down the expression for the velocity of electromagnetic wave in ...

    Text Solution

    |

  4. What percentage of power of AM wave is carried by the side bands for m...

    Text Solution

    |

  5. How is the critical frequency related to maximum electron density in ...

    Text Solution

    |

  6. How does a microwave oven work?

    Text Solution

    |

  7. A plane EM wave moving with a velocity 3xx10^8m//s has an electric fie...

    Text Solution

    |

  8. Fill in the blanks The speed of waves, according to Maxwell's equati...

    Text Solution

    |

  9. What is the frequency of yellow light , If it's wavelength is 580 nm?

    Text Solution

    |

  10. Fill in the blanks Sound waves in air are longitudinal waves of comp...

    Text Solution

    |

  11. Fill in the blanks The sun is an important source of light.

    Text Solution

    |

  12. are used in medicine to destroy cancer cells.

    Text Solution

    |

  13. What is the most important prediction to emerge from Maxwell's equatio...

    Text Solution

    |

  14. What is the missing term is Ampere's Circuital law?

    Text Solution

    |

  15. What is conduction current.

    Text Solution

    |

  16. What is displacement current?

    Text Solution

    |

  17. Write the Ampere-Maxwell law.

    Text Solution

    |

  18. What typed of waves are used in telecommunication?

    Text Solution

    |

  19. Write the order of frequency range of the following. Gamma rays

    Text Solution

    |

  20. Write the order of frequency range of the following. Ultra violet ra...

    Text Solution

    |