Home
Class 12
PHYSICS
The electromagnetic waves of frequency 2...

The electromagnetic waves of frequency `2 MHz` and `30 MHz` are

A

in ground wave propagation

B

in sky wave propagation

C

in microwave propagation

D

in satellite communication

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • COMMUNICATION SYSTEMS

    NIKITA PUBLICATION|Exercise Multiple Choice Questions (Examples for Practice)|8 Videos

  • COMMUNICATION SYSTEMS

    NIKITA PUBLICATION|Exercise Multiple Choice Questions (Production and detection of amplitude modulated wave)|31 Videos

  • CIRCULAR MOTION

    NIKITA PUBLICATION|Exercise Multiple Choice Question|421 Videos

  • CURRENT ELECTRICITY

    NIKITA PUBLICATION|Exercise Multiple Choice Questions|314 Videos

Similar Questions

Explore conceptually related problems

The electromagnetic waves of frequency 80 MHz and 200 MHz

The electromagnetic wave of frequency 2 MHz to 30 MHz are

The electromagnetic wave of frequency 3 MHz to 30 MHz are

Name the band to which electomagnetic wave of frequency 120 MHz belongs.

A plane electromagnetic wave of frequency 20 MHz travels through a space along x-direction. If the electric field vector at a certain point in space is 6 Vm^(-1) ,then what is the magnetic field vector at that point?

A plane electromagnetic wave of frequency 35 MHz travels in free space along the X-direction. At a particular point (in space and time) vec E = 9.6 hat jV//m . The value of magnetic field at this point is :

A plane electromagnetic wave of frequency 25 Mhz travels in free space along the x-direction. At a particular point in space and time, E= (6.3 j) V//m . What is B at this point?

A plane electromagnetic wave of frequency 40 MHz travels in free spae in the x-direction. At some point and at some instant, the electric field vecE has its maximum value of 750 N/C in y-direction. (i) What is the wavelenght of the wave ? (ii) What is the period of the wave? (iii) What is the amplitude of magnetic field?

Calculate the wavelenght of electromagnetic wave with frequency 30 MHz.

NIKITA PUBLICATION-COMMUNICATION SYSTEMS-Multiple Choice Questions (Space communication )
  1. In space communication, the sound waves can be sent from one place t...

    Text Solution

    |

  2. A.F.M. radio transmitter uses a tower of height 60 m for its antenna W...

    Text Solution

    |

  3. The electromagnetic waves of frequency 2 MHz and 30 MHz are

    Text Solution

    |

  4. Ground wave propagation is suitable for

    Text Solution

    |

  5. Long distance short-wave radio broadcasting uses

    Text Solution

    |

  6. When microwave signals follow the curvature of earth, this is known as...

    Text Solution

    |

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

    Text Solution

    |

  8. In space communcation , the information can be passed from on place ...

    Text Solution

    |

  9. What will be the area of reception of the signals transmitted by the T...

    Text Solution

    |

  10. The sky wave propagation is suitable for radiowaves of frequency

    Text Solution

    |

  11. The polarisation of an electromagnetic wave is determined by

    Text Solution

    |

  12. Frequencies in the UHF range normally propagate by means of:

    Text Solution

    |

  13. An antenna is a device

    Text Solution

    |

  14. The frequency of signals up to 1.5 MHz can be propagated using

    Text Solution

    |

  15. Space wave propagation is used in (a) microwave communication (b) ...

    Text Solution

    |

  16. The Ionosphere reflects the

    Text Solution

    |

  17. Which of the following is not a transmission media used in communicat...

    Text Solution

    |

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

    Text Solution

    |

  19. While tuning in a certain broad cast station with a receiver, we are a...

    Text Solution

    |

  20. If the frequency of E.M radiations is halved then the energy of EM ra...

    Text Solution

    |