Question

communication in water is done by which wave​

Answer 1

Answer:

Combining acoustic and radio transmissions

Combining acoustic and radio transmissionsThe transmitter sends multichannel sound signals, which travel as pressure waves. When these waves hit the surface, they cause tiny vibrations. Above the water, a radar, in the 300 GHz range, continuously bounces a radio signal off the water surface.

Explanation:

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Answer 2

Answer:

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The Solution Of Your Question Is Given Below-:

Explanation:

Electromagnetic waves in the ELF and SLF frequency ranges (3–300 Hz) can penetrate seawater to depths of hundreds of meters, allowing signals to be sent to submarines at their operating depths.