With reference to ‘LiFi’, recently in the news, which of the following statement(s) is/are correct?

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

Select the correct answer using the code given below.

[UPSC Civil Services Exam – 2016 Prelims]

(a) 1 only

(b) 2 only

(c) Both 1 and 2

(d) Neither 1 nor 2


Answer: (c)        

Explanation:

LiFi, short for “Light Fidelity,” is a Visible Light Communications system that transmits wireless internet communications at incredibly high speeds.

Consider the following statements:                                                                   The Parliament of India can place a particular law in the Ninth Schedule of the Constitution of India. The validity of a law placed in the Ninth Schedule cannot be examined by any court and no judgement can be made on it. Which of the statements given above is/are correct?

Consider the following statements:                                               

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Consider the following statements:                                                         The Parliament of India can place a particular law in the Ninth Schedule of the Constitution of India. The validity of a law placed in the Ninth Schedule cannot be examined by any court and no judgement can be made on it. Which of the statements given above is/are correct?

Consider the following statements:                                               

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