Physics for IGCSE & O level - Rays And Waves (Section 1 - No. 21) | ExamPlay

Physics for IGCSE & O level - Rays And Waves (Section 1 - No. 21)

Which of the following are used for wireless communications?

Optical fibres

Radio waves

Sound waves

Water waves

Erläuterung

Radio waves are used for wireless communications.

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