FCC Ship Radar Endorsement Practice Questions - FCC Ship Radar Endorsement (Element 8) Exam

The speed of radio-frequency energy in free space is approximately:

3 x 10^6 meters per second 3 x 10^8 meters per second 3 x 10^10 meters per second 1.5 x 10^8 meters per second

Correct Answer:

3 x 10^8 meters per second

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