What is the relationship between the electric and magnetic fields of an electromagnetic wave?

1. A They travel at different speeds
2. B They are in parallel
3. C They revolve in opposite directions
4. D They are at right angles

What property of a radio wave defines its polarization?

1. A The orientation of the electric field
2. B The orientation of the magnetic field
3. C The ratio of the energy in the magnetic field to the energy in the electric field
4. D The ratio of the velocity to the wavelength

What are the two components of a radio wave?

1. A Impedance and reactance
2. B Voltage and current
3. C Electric and magnetic fields
4. D Ionizing and non-ionizing radiation

What is the velocity of a radio wave traveling through free space?

1. A Speed of light
2. B Speed of sound
3. C 0.86 times the speed of light
4. D 1.86 times the speed of sound

What is the relationship between wavelength and frequency?

1. A Wavelength gets longer as frequency increases
2. B Wavelength gets shorter as frequency increases
3. C Wavelength is constant at all frequencies
4. D Wavelength and frequency increase as path length increases

What is the formula for converting frequency to approximate wavelength in meters?

1. A Wavelength in meters equals frequency in hertz multiplied by 300
2. B Wavelength in meters equals frequency in hertz divided by 300
3. C Wavelength in meters equals frequency in megahertz divided by 300
4. D Wavelength in meters equals 300 divided by frequency in megahertz

In addition to frequency, which of the following is used to identify amateur radio bands?

1. A The approximate wavelength in meters
2. B Traditional letter/number designators
3. C Channel numbers
4. D All these choices are correct

What frequency range is referred to as VHF?

1. A 30 kHz to 300 kHz
2. B 30 MHz to 300 MHz
3. C 300 kHz to 3000 kHz
4. D 300 MHz to 3000 MHz

What frequency range is referred to as UHF?

1. A 30 to 300 kHz
2. B 30 to 300 MHz
3. C 300 to 3000 kHz
4. D 300 to 3000 MHz

What frequency range is referred to as HF?

1. A 300 to 3000 MHz
2. B 30 to 300 MHz
3. C 3 to 30 MHz
4. D 300 to 3000 kHz

What is the approximate velocity of a radio wave in free space?

1. A 150,000,000 meters per second
2. B 300,000,000 meters per second
3. C 300,000,000 miles per hour
4. D 150,000,000 miles per hour

Which of these frequencies travels at the highest velocity in free space?

1. A Microwaves
2. B UHF
3. C VHF
4. D All radio frequencies travel at the same velocity