Physics for IGCSE & O level - Rays And Waves (Section 4 - No. 21) | ExamPlay

Physics for IGCSE & O level - Rays And Waves (Section 4 - No. 21)

What type of signal does an optical fibre carry?

Sound waves

Radio waves

Pulses of light

Electrical current

Explanation

Optical fibre carries pulses of light.

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