Home
Class 12
PHYSICS
expalin why Tv transmission are usually ...

expalin why Tv transmission are usually made high .

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

Explain why steam at 100°C usually produces more severe burn than water at the same temperature.

Explain the following : Why are copper and aluminium wires usually employed for electricity transmission?

What type of transmission is used in TV broadcasting?

If the base region of a transistor is made large as compared to the usual transistor ,how does it affect current gain of the transistor?

Explain why food does not cook speedily at high altitudes.

Why third ionisation enthalpy of Mn is very high?

BINA LIBRARY-COMMUNICATION SYSTEM -EXERCISE
  1. in what respects radio waves and gamma rays are different ?

    Text Solution

    |

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

    Text Solution

    |

  3. expalin why Tv transmission are usually made high .

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  13. What is an optically rarer medium?

    Text Solution

    |

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

    Text Solution

    |

  15. The purpose of oscillator in AM transmitter is to

    Text Solution

    |

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

    Text Solution

    |

  17. Radio waves of constant amplitude can be generated with

    Text Solution

    |

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

    Text Solution

    |

  19. For Long distance radio broadcasting uses

    Text Solution

    |

  20. The radio waves of frquency 300MHz to 3000MHz belong t

    Text Solution

    |