Home
Class 12
PHYSICS
The waves used in telecommunication are...

The waves used in telecommunication are

A

`IR`

B

`UV`

C

Microwaves

D

Cosmic rays

Text Solution

Verified by Experts

The correct Answer is:
C

In telecommunication, microwaves are used.
Promotional Banner

Topper's Solved these Questions

  • ELECTROMAGNETIC WAVES AND COMMUNICATION SYSTEM

    A2Z|Exercise Problems Based On Mixed Concepts|39 Videos
  • ELECTROMAGNETIC WAVES AND COMMUNICATION SYSTEM

    A2Z|Exercise Section B - Assertion Reasoning|13 Videos
  • ELECTROMAGNETIC WAVES AND COMMUNICATION SYSTEM

    A2Z|Exercise Section D - Chapter End Test|30 Videos
  • ELECTROMAGNETIC INDUCTION

    A2Z|Exercise Section D - Chapter End Test|30 Videos
  • GEOMETRICAL OPTICS

    A2Z|Exercise Section D - Chapter End Test|30 Videos

Similar Questions

Explore conceptually related problems

The electromagnetic waves used in the telecommunication are

A2Z-ELECTROMAGNETIC WAVES AND COMMUNICATION SYSTEM -Communication System
  1. In which frequency range, space waves are normally propagated?

    Text Solution

    |

  2. The waves used in telecommunication are

    Text Solution

    |

  3. Long distance radio broadcasts use short wave bands. Explain why?

    Text Solution

    |

  4. The ratio waves of frequency 300 MHz to 3000 MHz belong to

    Text Solution

    |

  5. For television broadcasting, the frequency employed is normally

    Text Solution

    |

  6. In an amplitude modulated wave for audio frequency of 500 "cycle"//sec...

    Text Solution

    |

  7. Amplitude modulation is used for broad casting because

    Text Solution

    |

  8. Range of frequencies allotted for commercial FM radio broadcast is

    Text Solution

    |

  9. The velocity factor of a transmission line x. If dielectric constant o...

    Text Solution

    |

  10. The process of superimposing signal frequency (i.e. audio wave) on the...

    Text Solution

    |

  11. A sept index fibre has a relavitive refractive index of 0.88%. What is...

    Text Solution

    |

  12. The characteristic impedance of a coaxial cable is of the order of

    Text Solution

    |

  13. If mu and mu(2) are the refractive indices of the materials of core an...

    Text Solution

    |

  14. Through which mode of propagation, the radio waves can be sent from on...

    Text Solution

    |

  15. A laser beam of pluse power 10^(12) watt is focussed on an object are ...

    Text Solution

    |

  16. The carrier frequency generated by a tank circuit containing 1 nF capa...

    Text Solution

    |

  17. Broadcasting antennas are generally

    Text Solution

    |

  18. What type of modulation is employed in india for radio transmission

    Text Solution

    |

  19. When the modulating frequency is doubled, the modulation index is halv...

    Text Solution

    |

  20. An antenna is a device

    Text Solution

    |