Radio waves: by santiago salazar

What is the frequency range of radio waves?

• A. 1 Hz to 1 kHz

• B. 1 kHz to 1 MHz

• C. 3 kHz to 300 GHz

• D. 1 GHz to 1 THz

Which type of radio waves have the longest wavelength?

• AM radio waves

• FM radio waves

• Microwaves

• Infrared waves

What is the main factor that determines the range of a radio wave transmission?

• Frequency

• Amplitude

• Wavelength

• Phase

Which of the following is NOT an application of radio waves?

• Wi-Fi

• MRI

• Motors

• Radar

What is the name of the phenomenon where radio waves bounce off of surfaces and reflect back toward the source?

• Scattering

• Absorption

• Diffraction

• Reflection

What is the unit of measurement for radio wave frequency?

• Watts

• Volts

• Hertz

• Amperes

What is the difference between AM and FM radio waves?

• AM waves have a higher frequency than FM waves

• FM waves have a higher frequency than AM waves

• AM waves are more reliable than FM waves

• FM waves are more reliable than AM waves

What is the name of the process by which a radio wave's frequency changes as it travels through a medium?

• Doppler effect

• Absorption

• Scattering

• Reflection

Draw an example of a radio waves diagram