JEE Main 2014 — Communication System Question with Solution
JEE Main 2014 (19 Apr Online)
Question
Long-range radio transmission is possible when the radio waves are reflected from the ionosphere. For this to happen the frequency of the radio waves must be in the range:
Choose an option
Show full solutionCorrect option: D
Correct answer
D
Step-by-step explanation
Skywaves get reflected from the ionosphere having frequency to .
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This is a previous-year question from JEE Main 2014, covering the Communication System chapter of Physics. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.