Home
Class 12
PHYSICS
A transmitting antenna is kept on the su...

A transmitting antenna is kept on the surface of the earthThe minimum height of receiving antenna required to receive the signal in line of sight at 4 km distance from it is `xxx10(^-2)` m. The value of x is

A

125

B

1250

C

12.5

D

1.25

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • JEE MAIN 2022

    JEE MAINS PREVIOUS YEAR|Exercise Question|492 Videos
  • JEE MAIN 2024

    JEE MAINS PREVIOUS YEAR|Exercise Questions|22 Videos

Similar Questions

Explore conceptually related problems

Two identical antennas mounted on identical towers are separated from each other by a distance of 45 km. What should nearly be the minimum height of receiving antenna to receive the signals in line of sight? (Assume radius of earth is 6400 km)

Show that the minimum length of antenna required to transmit a radio signal of frequency 10 MHz is 7.5m.

Show that the minimum length of antenna required to transmit a radio signal of frequency 10 MHz is 30m.

Show that the minimum length of antenna required to transmit a radio signal of frequency 10 MHz is 30m.

A transmitting antenna has a height of 320m and that of receiving antenna is 2000m. The maximum distance between them for satisfactory communication in line of sight mode is 'd'. The value of 'd' is ___________km.

A transmitting antenna at top of a tower has a height of 50 m and the height of receiving antenna is 80 m. What is the range of communication for Line of Sight (LoS) mode? [use radius of earth = 6400 km]

A transmitting antenna at the top of the tower has a height 18 m and the height of the receiving antenna is 32m. The maximum distance between them for satisfactory communciation in line of sight mode is (Radius of earth = 6.4xx10^(6)m )

A transmitting antenna at the top of the tower has a height 18 m and the height of the receiving antenna is 32m. The maximum distance between them for satisfactory communciation in line of sight mode is (Radius of earth = 6.4xx10^(6)m )

A TV transmitting antenna is 81 m tall. How much service area it can cover if the receiving antenna is at the ground level? (Radius of earth= 6.4xx10^(6)m )

JEE MAINS PREVIOUS YEAR-JEE MAIN 2023-Question
  1. From the v-t graph shownthe ratio of distance to displacement in 25 s ...

    Text Solution

    |

  2. 1 kg of water at 100^@C is converted into steam at 100^@C by boiling a...

    Text Solution

    |

  3. A transmitting antenna is kept on the surface of the earthThe minimum ...

    Text Solution

    |

  4. Three vessels of equal volume contain gases at the same temperature an...

    Text Solution

    |

  5. The free space inside a current carrying toroid is filled with a mater...

    Text Solution

    |

  6. As per the given graph, choose the correct representation for curve A ...

    Text Solution

    |

  7. The logic performed by the circuit shown in figure is equivalent to:

    Text Solution

    |

  8. A parallel plate capacitor of capacitance 2 F is charged to a potentia...

    Text Solution

    |

  9. On a temperature scale X'the boiling point of water is 65^@X and the f...

    Text Solution

    |

  10. The radii of two planets 'A and 'B 'are 'R' and '4R' and their densiti...

    Text Solution

    |

  11. The current sensitivity of moving coil galvanometer is increased by 25...

    Text Solution

    |

  12. An average force of 125 N is applied on a machine gun firing bullets e...

    Text Solution

    |

  13. A coin placed on a rotating table just slips when it is placed at a di...

    Text Solution

    |

  14. Two identical heater filaments are connected first in parallel and the...

    Text Solution

    |

  15. Two radioactive elements A and B initially have same number of atoms.T...

    Text Solution

    |

  16. The electric field in an electromagnetic wave is given as vecE = 20 si...

    Text Solution

    |

  17. The magnetic field B crossing normally a square metallic plate of area...

    Text Solution

    |

  18. The length of a wire becomes l1 and l2 when 100 N and 120 N tensions a...

    Text Solution

    |

  19. The radius of curvature of each surface of a convex lens having refrac...

    Text Solution

    |

  20. A solid sphere of mass 500 g and radius 5 cm is rotated about one of i...

    Text Solution

    |