gs1medium

With reference to ‘LiFi’, recently in the news, which of the following statements is/are correct?

  1. 1.It uses light as the medium for high-speed data transmission.
  2. 2.It is wireless technology and is several times faster than ‘WiFi’.

Select the correct answer using the codes given below:

  1. A.1 only
  2. B.2 only
  3. C.Both 1 and 2
  4. D.Neither 1 nor 2
▶ Answer & Explanation

Correct answer: C. Both 1 and 2

LiFi (Light Fidelity) is a visible light communication technology that uses light-emitting diodes (LEDs) to transmit data. It enables high-speed wireless communication by modulating the light emitted from LEDs. Studies and demonstrations have shown that LiFi can achieve significantly higher data transmission speeds compared to conventional Wi-Fi technologies, while also offering advantages in terms of security and spectrum efficiency.

Source: UPSC gs1 2016

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