electromagnetic spectrum

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  • Electromagne- tic spectrum
    • 1. Radio waves- television signals
    • 2. Microwaves- cooking, mobile phones.
    • 3. Infared- Optical Fibre Communication
    • 4. Visable light - seeing.
    • 5. Ultra Violet- Detecting ect, forged bank notes.
    • 6. X-rays - medical images
    • 7. Gamma radiation- killing cancer cells

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