Attempt this previous-year question. The correct option stays hidden until you choose.
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:
Pick an option to check yourself.
• Correct Answer: C
• VLC operates at 375-780 nm visible wavelengths, transmits data faster than Bluetooth, and has zero electromagnetic interference.
• Statement 2 is incorrect: VLC is short-range, not long-range, as light cannot penetrate opaque barriers.
Attempt Prelims MCQs or open Mains questions by paper — then continue the same bank inside the app with visual decks.
GyanGram