INSIGHT UPSC QUIZ

GS Geography Physical Geography of World
Q.

The layer of the atmosphere in which Radio Waves are reflected back is called:

Explanation:

ANS. (A) 
The Radio waves are reflected back to Earth in the Ionosphere which is an electrically charged layer of the upper atmosphere. This process is used to communicate beyond the horizon, at intercontinental distances, mostly in the shortwave frequency bands.

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