With reference to visible light communication (VLC) technology, which of the following statements are correct? 1. VLC uses electromagnetic spectrum wavelengths 375 to 780nm 2. VLC is known as long-range optical wireless communication 3. VLC can transmit l

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Q: (IAS/2020)
With reference to visible light communication (VLC) technology, which of the following statements are correct?
1. VLC uses electromagnetic spectrum wavelengths 375 to 780nm
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
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question_subject: 

Science & Technology

question_exam: 

IAS

stats: 

0,84,117,66,19,84,32

keywords: 

{'visible light communication': [0, 0, 0, 1], 'optical wireless communication': [0, 0, 0, 1], 'electromagnetic spectrum wavelengths': [0, 0, 0, 1], 'vlc': [0, 0, 0, 1], 'electromagnetic interference': [0, 0, 0, 1], 'bluetooth': [0, 0, 0, 2], 'range': [5, 0, 6, 7]}