Home
Class 12
PHYSICS
Why sky wave are not used in television ...

Why sky wave are not used in television signals.

Promotional Banner

Topper's Solved these Questions

  • COMMUNICATION SYSTEM

    BINA LIBRARY|Exercise EXERCISE |64 Videos
  • CURRENT ELECTRICITY

    BINA LIBRARY|Exercise EXERCISE|107 Videos

Similar Questions

Explore conceptually related problems

What typed of waves are used in telecommunication?

Why are shockers used in automobiles?

Why sound waves can not be polarized?

Why a meter bridge is used?

Why are microwave used in Radar?

BINA LIBRARY-COMMUNICATION SYSTEM -EXERCISE
  1. Why satellites are used for long distance TV transmission.

    Text Solution

    |

  2. in what respects radio waves and gamma rays are different ?

    Text Solution

    |

  3. Why sky wave are not used in television signals.

    Text Solution

    |

  4. expalin why Tv transmission are usually made high .

    Text Solution

    |

  5. why high frequency carrier waves are employed for transmission ?

    Text Solution

    |

  6. why is short wave communication over long distance not possible by sur...

    Text Solution

    |

  7. A radio can turn to any station in 7.5HZ TO 12MZband . What is the cor...

    Text Solution

    |

  8. The maximum peak volatage of an AM wave is 20 mV . If the modulating i...

    Text Solution

    |

  9. Find the length of a dipole antenna at frequency 10KHZ.

    Text Solution

    |

  10. what should be the height of a transmitting antenna if TV telecast is ...

    Text Solution

    |

  11. How many telephone channels each allotted to a band width of 8HZ can b...

    Text Solution

    |

  12. calculate the length of half wave dipole antenna a) 30MHz b)300MHz c...

    Text Solution

    |

  13. A TV tower has a height of 100m how much population is covered by the ...

    Text Solution

    |

  14. What is an optically rarer medium?

    Text Solution

    |

  15. The process of superimposing signal frequency on carrier wave is known...

    Text Solution

    |

  16. The purpose of oscillator in AM transmitter is to

    Text Solution

    |

  17. The electromagnetic waves of frquency range 2MHz to 30MHz are in

    Text Solution

    |

  18. Radio waves of constant amplitude can be generated with

    Text Solution

    |

  19. In which frequency range space waves are normally propagated ?

    Text Solution

    |

  20. For Long distance radio broadcasting uses

    Text Solution

    |