UPSC Previous Year Question | Prelims GS | 2016

With reference to 'LiFi', recently in the news, which of the following statements is/are correct? 1. It uses light as the medium for high-speed data transmission. 2. It is a wireless technology and is several times faster than 'WiFi'. Select the correct answer using the code given below.

  1. 1 only
  2. 2 only
  3. Both 1 and 2
  4. Neither 1 nor 2

Answer

Correct Answer

Both 1 and 2

Explanation

Li-Fi (Light Fidelity) transmits data using visible light and is a wireless technology capable of speeds significantly faster than conventional Wi-Fi, so both statements are correct.

Topics: communication technology, li-fi, science and technology, wireless technology