Critical Frequency Online Exam Quiz
Critical Frequency GK Quiz. Question and Answers related to Critical Frequency. MCQ (Multiple Choice Questions with answers about Critical Frequency
For fMUF ? fc, the wave will reflects back irrespective of the angle of incidence.
Options
A : TRUE
B : FALSE
C : -
D : -
How many times the polynomial T5(x) crosses the x-axis between [-1, 1]?
Options
A : 5
B : 4
C : 2
D : 6
What is the possible level from the following for the minor lobe when the main beam level is at 50db and SLL at 10 db according to Chebyshev?
Options
A : 40dB
B : 45dB
C : 50dB
D : 80dB
When the frequency decreases below ___ frequency, the signal reception becomes too weak and the Noise increases.
Options
A : MUF
B : LUF
C : Optimum frequency
D : Critical frequency
Which of the following frequency is greater than the critical frequency?
Options
A : MUF
B : LUF
C : Optimum frequency
D : VLF
Which of the following statement is true about the Chebyshev function Tm(x)?
Options
A : It is a continuously increasing function after x=1
B : It is a continuously decreasing function after x=1
C : It is a continuously increasing function after x=0
D : It is a continuously decreasing function after x=0
Which of the following statements is true?
Options
A : The polynomials are unstable at interval [-1, 1]
B : The polynomials are marginally stable at interval [-1, 1]
C : The polynomial doesn't oscillate at interval [-1, 1]
D : The polynomials crosses the axis m-1 times at [-1, 1]
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