Q. The atmospheric layer reflecting radio waves is called
✅ Correct Answer: (B)
Ionosphere
Explanation: The low-frequency end of the window is limited by signals being reflected by the ionosphere back into space, while the upper limit is caused by absorption of the radio waves by water vapour and carbon dioxide in the atmosphere.
Explanation by: Team MCQ Buddy
The low-frequency end of the window is limited by signals being reflected by the ionosphere back into space, while the upper limit is caused by absorption of the radio waves by water vapour and carbon dioxide in the atmosphere.