10th Class General Knowledge Sample Paper General Knowledge Olympiad Model Test Paper-16

With reference to 'Li-Fi?, recently in the news, which of the following statements is/are correct?

1. It is a wireless technology.

2. It is several time faster than 'WiFi.

3. It uses light as the medium for high-speed data transmission.

Select the correct answer using the options given below:

A)   Only 1

B)   Only 2

C)   1, 2 and 3

D)   Only 1 and 2

E)   None of these

Correct Answer: C

Solution :

Not Available