3.3 · Electromagnetic spectrumLesson 2 of 11Free preview
The speed of electromagnetic waves
Every EM wave travels at 3.0 × 10⁸ m/s in a vacuum, so Wi-Fi at 2.4 GHz is 0.125 m long.
3.3 · Electromagnetic spectrumLesson 2 of 11Free preview
Every EM wave travels at 3.0 × 10⁸ m/s in a vacuum, so Wi-Fi at 2.4 GHz is 0.125 m long.