VLC uses visible light for data transmission, offering high speed and immunity to radio interference, but is limited in range.
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 :
Asked in UPSC IAS 2020 · Topic: Future Trends in Information and Communication Technology (5G, 6G, and Future Wireless Communication Technologies)
Show answer
Answer: C. 1, 3 and 4 only
Read the notes: Future Trends in Information and Communication Technology →
More Information and Communication Technology questions
- Which one of the following organizations has launched the White Rabbit Collaboration to foster the uptake of White Rabbit technology by industry ?
- Consider the following statements for “Bharat 6G” and choose the correct option: Statement A : “Bharat 6G 2025” – 3rd International Conference and Exhibition was held in New Delhi in May 2025. Statement B : The Bharat 6G Vision aims to lay out an ambitious path for India to design, develop, and deploy 6G technology by 2035. - If the question has multiple statements, format using ...
- Technology Innovation Group on 6G (T1G-6G) is constituted under the - - Question not attempted
- Which is not true with 5G technology of mobile communication? - (1) Data downloading is faster. - (2) Driver less cars are possible. - (3) Domestic appliances can be controlled with mobile phone. - (4) The existing cell phone can be used. The correct answer is -
- For which of the following words has the letter 'G' been used in 4G technology in mobile communication?
- V2X technology, which was seen in the news, is related to :
- Which of the following is 4th generation mobile technology?
- On May 2023, the ORAN test bed project has been launched. In this context, which of the following statements is/are incorrect? (i) ORAN refers to Open Radio Accessible Network. (ii) It will facilitate the development of a fully indigenous 5G radio network in India. (iii) It provides telecom facilities in rural and remote areas of the country. Select the correct statements using the codes given below.
All 1,360 Information and Communication Technology questions →