CBSE · Class 7 · Social Science · AirWhich layer of the atmosphere helps in radio transmission?
Step-by-Step Solution
In thermosphere temperature rises very rapidly with increasing height. Ionosphere is a part of this layer. It extends between 80-400 km. This layer helps in radio transmission. In fact, radio waves transmitted from the earth are reflected back to the earth by this layer.
Detailed Options Breakdown
Option : Troposphere
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Air.
Option 1: Stratosphere
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Air.
Option 2: Thermosphere (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 3: Mesosphere
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Air.
💡 Study Guide: This question tests core syllabus concepts from Air. For formulas, key summaries, and mock exam reference guides, read the full Air Revision Notes.