Question

Which of the following frequencies falls in the range of RF waves used by commercial radio broadcasting stations?

A. 6,000 Hz
B. 6,000,000 Hz
C. 60 Hz
D. 600,000 Hz

Answer 1

Radio waves are EM waves that have wavelengths between 1 millimeter and 100 kilometers (or 300 GHz and 3 kHz in frequency).

Source: Boundless. “Radio Waves.” Boundless Physics. Boundless, 21 Jul. 2015. Retrieved 13 Oct. 2015 from https://www.boundless.com/physics/textbooks/boundless-physics-textbook/electromagnetic-waves-23/the-electromagnetic-spectrum-165/radio-waves-592-11171/

https://www.boundless.com/physics/textbooks/boundless-physics-textbook/electromagnetic-waves-23/the-electromagnetic-spectrum-165/radio-waves-592-11171/

Commercial AM broadcast uses frequencies between 550,000 Hz to 1,700,000 Hz.

Commercial FM broadcast uses frequencies between 88 MHz to 108 MHz. (million Hz)

http://www.answers.com/Q/What_rf_waves_used_by_commercial_radio_broadcastings_stations

Answer 2

@cuanchi thank you