Which statement about sound transmission underwater is accurate?

Prepare for the SSI Scuba Exam with comprehensive flashcards and multiple choice questions, each complete with hints and explanations. Excel on your exam!

Sound transmission in water is distinct from that in air due to the physical properties of these mediums. Sound travels significantly faster underwater than in air, which is primarily due to water's higher density and elasticity compared to air. In fact, sound can travel about four times faster in water than in air.

As for distance, sound effectively travels farther underwater because there is less interference from air turbulence, and the energy of sound waves does not dissipate as quickly. The medium (water) provides a more efficient path for sound waves, enabling them to maintain their strength over longer distances.

This enhanced propagation in water allows divers to hear sounds from greater distances than they would be able to in air, proving the accuracy of the statement regarding sound traveling farther underwater. Divers do, however, encounter challenges in pinpointing the exact direction of sounds due to the way sound waves can refract and behave differently in water.

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