Home
Class 12
PHYSICS
what should be the height of a transmitt...

what should be the height of a transmitting antenna if TV telecast is to cover a radious of 128 KM?

Text Solution

Verified by Experts

1280m
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

A carrier wave of peak voltage 8 v is used to transmit a message signal. What should be the peak voltage of the modulating signal in order to have a modulation index of 80%?

The transmitting antenna at the top of a tower has a height of 32m. The height of the receiving antenna is 50m. What is the maximum distance between them for satisfactory LOS mode Communication? Radius of earth is 6.4xx10^3km .

Draw the graphs for the following tables of values, with suitable scales on the axes. Distance travelled by a car What was the time when the car had covered a distance of 100 km since it's start?

A contractor plans to install two slides for the children to play in a park.For the children below the age of 5 years,she prefers to have a slide whose top is at a height of 1.5m,and is inclined at an angle of 30^@ to the ground,whereas for elder children,she wants to have a steep slide at a height of 3 m,and inclined at an angle of 60^@ to the ground.What should be the length of the slide in each case?

Form the pair of linear equations for the following problems and find their solutions by substitution method. (iv)The taxi charges in a city consist of a fixed charge together with the charge for the distance covered.For a distance of 10 km,the charge paid is ₹105 and for a journey of 15 km,the charge paid is ₹155 .What are the fixed charges and the charges per kilometer? How much does a person have to pay for travelling a distance of 25 km?

A stone is thrown vertically upward with an initial velocity of 40 m/s. Taking g= 10 m//s^2 , find the maximum height reached by the stone. What is the net displacement and the total distance covered by the stone?

BINA LIBRARY-COMMUNICATION SYSTEM -EXERCISE
  1. A radio can turn to any station in 7.5HZ TO 12MZband . What is the cor...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  8. What is an optically rarer medium?

    Text Solution

    |

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

    Text Solution

    |

  10. The purpose of oscillator in AM transmitter is to

    Text Solution

    |

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

    Text Solution

    |

  12. Radio waves of constant amplitude can be generated with

    Text Solution

    |

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

    Text Solution

    |

  14. For Long distance radio broadcasting uses

    Text Solution

    |

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

    Text Solution

    |

  16. For televsion broadcasting the frequency employed is normally in the r...

    Text Solution

    |

  17. Radio frequency alloted for commercial FM radio broadcast is in the ra...

    Text Solution

    |

  18. The length of a half wave dipole antenna at 30MHz is

    Text Solution

    |

  19. wave length of a wave of frequency 10KHz is

    Text Solution

    |

  20. satellite transponders used for

    Text Solution

    |