

MCQOPTIONS
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1. |
The sky wave propagation is suitable for radio waves of frequency. |
A. | Up to 2 MHz |
B. | From 2 MHz to 20 MHz |
C. | From 2 MHz to 30 MHz |
D. | From 2 MHz to 80 MHz |
Answer» D. From 2 MHz to 80 MHz | |