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 many times faster than ‘WiFi.

QUESTION

Medium

Science & Technology

Prelims 2016

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

It uses light as the medium for high-speed data transmission.
It is a wireless technology and is many times faster than ‘WiFi.

Select an option to attempt

Explanation

Li-fi

Statement 1 is correct: Li-Fi (Light Fidelity) utilizes light waves for data transmission. It uses rapid flickering of light, invisible to the human eye, to carry information.

Statement 2 is correct: Li-Fi is a wireless technology and has the potential to be significantly faster than Wi-Fi. While actual speeds depend on various factors, Li-Fi boasts theoretical speeds exceeding 100 Gbps compared to the current Wi-Fi standards offering up to 11 Gbps.

Hence, option C is the correct answer.

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