Q.

Why are we able to hear short wave broadcasts better than long wave broadcasts?

A. Short waves are more energetic than long waves
B. Short waves are unaffected by atmospheric disturbances
C. Short wave broadcasts are made by nearby radio stations
D. By convention, short waves are meant for long distances, whereas long waves are reserved for short distances
Answer» A. Short waves are more energetic than long waves
Explanation: Shortwave radio is used for broadcasting of voice and music, and long- distance communication to ships and aircraft, or to remote areas out of reach of wired communication or other radio services and that's why it is more energetic than long waves.
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