Which atmospheric layer deflects radio waves? — UPSC Prelims PYQ 1996

Which one of the following layers of the atmosphere is responsible for the deflection of radio waves?

1. Troposphere
2. Stratosphere
3. Mesosphere
4. Ionosphere

Explanation

Option (d) is correct

• The Ionosphere is responsible for the reflection/deflection of radio waves used in long-distance communication.

Answer: (d) Ionosphere