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1. Radio Waves
- Longest wavelength and lowest frequency in the spectrum.
- Used in radio broadcasting, television signals, and mobile communication.
- Essential for radar and GPS technology.
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1. Electromagnetic Spectrum
- The electromagnetic spectrum consists of different types of electromagnetic waves arranged based on their wavelength and frequency.
- It includes radio waves, microwaves, infrared, visible light, ultraviolet, X-rays, and gamma rays.
- The waves differ in their wavelength (λ), frequency (f), and energy.
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