Maximum Usable Frequency MCQ

Test your knowledge with important Maximum Usable Frequency MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Maximum Usable Frequency MCQs at Bissoy

• Which of the following is true when a ray is incident normally in an Ionosphere region?
  ক

  MUF is equal to critical frequency

  খ

  MUF is greater than critical frequency

  গ

  MUF is less than critical frequency

  ঘ

  MUF is zero
• What is the value of maximum usable frequency when the incident angle is 60° and the critical frequency is 4.5MHz?
  ক

  4.5MHz

  খ

  2.25MHz

  গ

  9MHz

  ঘ

  18MHz
• Skip distance is the _____
  ক

  Minimum distance at which wave returns back at the lowest possible frequency

  খ

  Maximum distance at which wave returns back at the critical frequency

  গ

  Minimum distance at which wave returns back at the critical angle

  ঘ

  Maximum distance at which wave returns back at the lowest possible frequency
• Relation between MUF and critical frequency is ______
  ক

  fc = fMUF secθi

  খ

  fMUF = fc sec2 θi

  গ

  fc = fMUF sinθi

  ঘ

  fMUF = fc secθi
• The frequency below which the entire power gets absorbed is called as ____
  ক

  MUF

  খ

  LUF

  গ

  Critical frequency

  ঘ

  Optimum frequency
• If wave exceeds the MUF then it is not reflected back.
  ক

  True

  খ

  False
• The maximum possible frequency for which the wave is reflected back for a given distance of propagation in the ionosphere layer is called as_______
  ক

  Maximum usable frequency

  খ

  Critical frequency

  গ

  Resonance frequency

  ঘ

  Dominating frequency