Context:
- PM inaugurated Kochi-Lakshadweep Islands Submarine Optical Fiber Connection (KLI Project).
- PM also dedicated a Low-Temperature Thermal Desalination (LTTD).
- For the 1st time since independence, Lakshadweep will be connected through Submarine Optic Fibre Cable that will ensure a paradigm shift in its communication infrastructure.
About KLI project:
- Submarine cable connectivity extended to 11 Lakshadweep Islands – Kavaratti, Agatti, Amini, Kadmat, Chetlet, Kalpeni, Minicoy, Androth, Kiltan, Bangaram and Bitra has been.
- Funded by – Universal Services Obligation Fund (Digital Bharat Nidhi), Department of Telecommunication.
- Project Executing Agency – Bharat Sanchar Nigam Limited (BSNL)
Low-Temperature Thermal Desalination (LTTD):
- Purpose – for conversion of seawater into potable water at Kadmat island, Lakshadweep.
- A process under which warm surface seawater is flash evaporated at low pressure and the vapor is condensed with cold deep seawater.
- Developed and Commissioned by – National Institute of Ocean Technology (NIOT), Ministry of Earth Sciences
Earlier 3 LTTD plants developed and demonstrated in Lakshadweep’s Kavaratti, Agati, and Minicoy Islands.
Source: PIB
Previous Year Question
With reference to Visible Light Communication (VLC) technology, which of the following statements are correct?
1. VLC uses electromagnetic spectrum wavelengths 375 to 780 nm.
2. VLC is known as long-range optical wireless communication.
3. VLC can transmit large amounts of data faster than Bluetooth.
4. VLC has no electromagnetic interference.
Select the correct answer using the code given below:
[UPSC Civil Services Exam – 2020 Prelims]
(a) 1, 2 and 3 only
(b) 1, 2 and 4 only
(c) 1, 3 and 4 only
(d) 2, 3 and 4 only
Answer: (c)
Explanation:
The nature of light is that it is unable to pass through opaque walls. Hence, VLCT is used in indoor environment/short range.
