Home
Class 12
PHYSICS
An electromagnetic wave of frequency v=3...

An electromagnetic wave of frequency `v=3.0 MHz` passes from vacuum into a dielectric medium with permittivity `epsilon=4.0`. Then

A

Wavelength is doubled and the frequency remains unchanged

B

Wavelength is doubled and frequency becomes half

C

Wavelength and frequency both remain unchanged

D

Wavelength is halved and frequency remains unchanged

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • ELECTROMAGNETIC INDUCTION

    DISHA|Exercise Physics|55 Videos

  • ELECTROSTATICS

    DISHA|Exercise physics|100 Videos

Similar Questions

Explore conceptually related problems

An electromagnetic wave of v=3 MHz passes from vacuum into dielectric medium with epsi= 4 epsi_0 . then

The electromagnetic wave of frequency 3 MHz to 30 MHz are

The electromagnetic wave of frequency 2 MHz to 30 MHz are

The electromagnetic waves of frequency 2 MHz and 30 MHz are

The electromagnetic waves of frequency 80 MHz and 200 MHz

An electromagnetic wave of frequency 3 GHz enters a dielectric medium of relative electric permittivity 2.25 from vacuum. The wavelength of this wave in that medium will be ______ xx 10^(-2) cm.

The dimensions of permittivity epsilon_(0) are

DISHA-ELECTROMAGNETIC WAVES-Physics
  1. A point source of 2 watt is radiating uniformly in all direction in va...

    Text Solution

    |

  2. In an electomegnetic wave, the amplitude of electric field is 10V//m. ...

    Text Solution

    |

  3. Electro magnetic waves travel in a medium with speed of 2xx10^(8)m//se...

    Text Solution

    |

  4. The magnetic field in the plane electromagnetic wave is given by B(z...

    Text Solution

    |

  5. The electric field of a plane electromagnetic wave in vacuum is repres...

    Text Solution

    |

  6. A light beam travelling in the x-direction is described by the eectirc...

    Text Solution

    |

  7. Which of the following waves have the maximum wavelength?

    Text Solution

    |

  8. Electromagnetic waves travel in a medium which has relative permeabili...

    Text Solution

    |

  9. if lamda(v'),lamda(x) and lamda(m) represent the wavelengths of visibl...

    Text Solution

    |

  10. Light wave is travelling along y-direction. If the corresponding vecE ...

    Text Solution

    |

  11. A wave is propagating in a medium of dielectric constant 2 and relativ...

    Text Solution

    |

  12. Which of the following statements are true ?

    Text Solution

    |

  13. Which of the following are electromagnetic waves ?

    Text Solution

    |

  14. An electromagnetic wave of frequency v=3.0 MHz passes from vacuum into...

    Text Solution

    |

  15. The electron density of a layer of ionosphere at a height 150 km from ...

    Text Solution

    |

  16. The electron density of a layer of ionosphere at a height 150 km from ...

    Text Solution

    |

  17. The electron density of a layer of ionosphere at a height 150 km from ...

    Text Solution

    |

  18. Assertion: The electromagnetic waves of shorter wavelength can travel ...

    Text Solution

    |

  19. Assertion: Ultraviolet radiation are of higher frequency waves are dan...

    Text Solution

    |

  20. Statement-1: Radio waves can be polarised. Statement-2: Sound waves ...

    Text Solution

    |