Uses of electromagnetic radiation - Non-visible parts of the electromagnetic spectrum - 4th level Science Revision - BBC Bitesize
![The Electromagnetic Spectrum: Radio Waves By: Hannah Kimball, Ilana Ruben, and Ella Cohen. - ppt download The Electromagnetic Spectrum: Radio Waves By: Hannah Kimball, Ilana Ruben, and Ella Cohen. - ppt download](https://images.slideplayer.com/24/7041922/slides/slide_4.jpg)
The Electromagnetic Spectrum: Radio Waves By: Hannah Kimball, Ilana Ruben, and Ella Cohen. - ppt download
Free search - What type of EM waves is a RADAR? radio wave Radar uses radio waves which are electromagnetic waves and travel at a speed of 300,000,000 m/s. Radar systems transmit
![Radio Waves Used for communications Energy: Low energy Wavelength: a few cm to a few km Frequency: 10 2 Hz to 10 8 Hz Dangerousness: Not dangerous. - ppt download Radio Waves Used for communications Energy: Low energy Wavelength: a few cm to a few km Frequency: 10 2 Hz to 10 8 Hz Dangerousness: Not dangerous. - ppt download](https://slideplayer.com/7988050/25/images/slide_1.jpg)