3 thoughts on “The type of wave that has the highest frequency is …. Radio Waves or Visible Light?”

1. From what I remember, the higher the frequency the shorter the wavelength. Comparing the two visible light would have the higher frequency (shorter wavelength), because radio waves have longer wavelengths. But you can easily doublecheck this answer, just look up EM wave spectrum.

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2. Radio waves have low frequencies.
   Cell phones have GHz frequencies but are still low compared to the visible light spectrum.

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3. EM radiation with a wavelength between approximately 400 nm and 700 nm is detected by the human eye and perceived as visible light.

   Frequencies
   Name Symbol Range Wavelength Applications
   Extremely low frequency ELF a 3 to 30 Hz k 10,000 km to 100,000 km audible 20+ Hz, communication with submarines
   Super low frequency SLF b 30 to 300 Hz j 1,000 km to 10,000 km audible, AC power grids (50 hertz and 60 hertz)
   Ultra low frequency ULF c 300 Hz to 3 kHz i 100 to 1000 km audible, communication with mines
   Very low frequency VLF d 3 to 30 kHz h 10 to 100 km audible range 20 Hz to 20 kHz (to be audible, energy must be simply converted to sound)
   Low frequency LF e 30 to 300 kHz g 1 to 10 km international broadcasting, navigational beacons, lowFER
   Medium frequency MF f 300 to 3000 kHz f 100 m to 1 km navigational beacons, AM broadcasting, maritime and aviation communication
   High frequency HF g 3 to 30 MHz e 10 to 100 m shortwave, citizens’ band radio
   Very high frequency VHF h 30 to 300 MHz d 1 to 10 m FM broadcasting, broadcast television, aviation
   Ultra high frequency UHF i 300 to 3000 MHz c 10 to 100 cm broadcast television, mobile telephones, wireless networking, microwave ovens
   Super high frequency SHF j 3 to 30 GHz b 1 to 10 cm wireless networking, radar, satellite links.
   Extremely high frequency EHF k 30 to 300 GHz a 1 to 10 mm microwave data links, radio astronomy, remote sensing, advanced weapons systems, advanced security scanning

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