Electronics and Communication Engineering - Exam Questions Papers - Discussion
Discussion Forum : Exam Questions Papers - Exam Paper 11 (Q.No. 47)
47.
A radio wave is incident on a layer of ionosphere at an angle of 30° with the vertical. If the critical frequency is, 1.2 MHz, the maximum usable frequency is
Answer: Option
Explanation:
fmuf = for sec i = 1.2 x 106 x sec (30°) = 1.386 MHz.
Discussion:
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