Home Physics Communication System ( Not In Syllabus ) Communication For sky wave propagation of a 10 MHz signal,…
Physics Communication System ( Not In Syllabus ) Communication MCQ (Single Correct)

For sky wave propagation of a 10 MHz signal, what should be the minimum electron density in ionosphere

A
~ 1.2 × × 10 12 m –3
B
~ 10 6 m –3
C
~ 10 14 m –3
D
~ 10 22 m –3

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Text Solution

Verified by Experts
The correct answer is:
A

The critical frequency of a sky wave for reflection from a layer of atmosphere is given by

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