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Grade 11General Physics

Define the term ‘critical frequency’ in relation to sky wave propagation of electromagnetic waves. ?

Profile image of tanisha singh
12 Years agoGrade 11
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1 Answer

Profile image of Saurabh Koranglekar
6 Years ago
Dear student

The highest value of the frequency of radio waves, which on being radiated towards the ionosphere at some angle are reflected back to the earth is called critical frequency.

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