Radio wave characteristics

Question 1

What type of wave carries radio signals between transmitting and receiving stations? (T3A07)

Answer 1

Electromagnetic

Question 2

A radio wave is made up of what type of energy? (T5C07)

Answer 2

Electromagnetic

Question 3

What are the two components of a radio wave? (T3B03)

Answer 3

Electric and magnetic fields

Question 4

How fast does a radio wave travel through free space? (T3B04)

Answer 4

At the speed of light (300 million meters per second)

Question 5

What is the approximate velocity of a radio wave as it travels through free space? (T3B11)

Answer 5

300 million meters per second (Speed of light)

Question 6

What is the name for the distance a radio wave travels during one complete cycle? (T3B01)

Answer 6

Wavelength

Question 7

What is the formula for converting frequency to approximate wavelength in meters? (T3B06)

Answer 7

wavelength in meters = 300/frequency in MHz

Question 8

How does the wavelength of a radio wave relate to its frequency? (T3B05)

Answer 8

The wavelength gets shorter as the frequency increases

Question 9

What property of radio waves is often used to identify the different frequency bands? (T3B07)

Answer 9

The approximate wavelength - (2m amateur radio band spans 144 MHz to 148 MHz. 148 MHz= 2.03 meters)

Question 10

What frequency range is referred to as HF? (T3B10)

Answer 10

3 to 30 MHz

Question 11

What are the frequency limits of the VHF spectrum? (T3B08)

Answer 11

30 to 300 MHz

Question 12

What are the frequency limits of the UHF spectrum? (T3B09)

Answer 12

300 to 3,000 MHz

Question 13

What does the abbreviation “FR” refer to? (T5C06)

Answer 13

Radio frequency signals of all types