The electromagnetic spectrum - Electromagnetic waves and radar - CCEA - GCSE Combined Science Revision - CCEA Double Award - BBC Bitesize
![Electromagnetic Spectrum Identify and explain how different parts of the electromagnetic spectrum are used. - ppt download Electromagnetic Spectrum Identify and explain how different parts of the electromagnetic spectrum are used. - ppt download](https://images.slideplayer.com/18/5685755/slides/slide_6.jpg)
Electromagnetic Spectrum Identify and explain how different parts of the electromagnetic spectrum are used. - ppt download
Radar - Electromagnetic waves and radar - CCEA - GCSE Combined Science Revision - CCEA Double Award - BBC Bitesize
![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)