Physics · Communication Systems
In the context of optical wireless communication, which characteristic of Li-Fi technology distinguishes it from traditional Wi-Fi?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Li-Fi transmits data through ultra-low-frequency radio waves, reducing electromagnetic interference
- 2Li-Fi is based on quantum entanglement of photons, enabling secure communication in high-interference zones
- 3Li-Fi uses visible and near-infrared light spectrum, allowing higher data transmission rates but limiting operation to line-of-sight environments✓
- 4Li-Fi uses millimeter waves which penetrate walls better than Wi-Fi, enhancing rural connectivity
Correct answer
Li-Fi uses visible and near-infrared light spectrum, allowing higher data transmission rates but limiting operation to line-of-sight environments
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