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Question

Wi-Fi uses ……………….. in order to transmit data. Whereas Li-Fi uses ………………………….. in order to transmit data.

Wi-Fi uses ……………….. in order to transmit data. Whereas Li-Fi uses ………………………….. in order to transmit data.

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Option A: radio waves, laser

Option B: radio waves, visible light

Option C: electromagnetic waves, laser

Option D: infrared rays, radio waves

Correct Answer

Option: b

Explanation

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