T3B - Radio wave characteristics
Technician Class
Electromagnetic wave properties: wavelength vs frequency, nature and velocity of electromagnetic waves, relationship of wavelength and frequency; Electromagnetic spectrum definitions: UHF, VHF, HF
12 questions | Updated: Feb 19, 2026
What is the relationship between the electric and magnetic fields of an electromagnetic wave?
What property of a radio wave defines its polarization?
What are the two components of a radio wave?
What is the velocity of a radio wave traveling through free space?
What is the relationship between wavelength and frequency?
What is the formula for converting frequency to approximate wavelength in meters?
In addition to frequency, which of the following is used to identify amateur radio bands?
What frequency range is referred to as VHF?
What frequency range is referred to as UHF?
What frequency range is referred to as HF?
What is the approximate velocity of a radio wave in free space?
Which of these frequencies travels at the highest velocity in free space?