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Arihant General Studies question with answer

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Question #120,706
Arihant General Studies English MCQ IAS (Pre) 2020

Q.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 codes given below.

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