APPSC Group-I Prelims 2019 Paper II · Question 72

Question 72 of the APPSC Group-I Prelims 2019 Paper II (26 May 2019). Try it first, then open the answer and explanation.

1. Prelims 2019 · P-II · Q72 · Science & Technology · IT & Communication

   What is the full form of Li-Fi network ?

   లై-ఫై నెట్ వర్క్ వివరణ ఏంటి?

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   Answer: Light Fidelity

   సమాధానం: లైట్ ఫిడిలిటి

   Li-Fi (Light Fidelity) is wireless data communication that uses visible light from LEDs, which are switched on and off very rapidly, instead of radio waves as in Wi-Fi.

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