Multiple choice general knowledge

Term 'SONAR' is associated with:

  1. Velocity

  2. Light

  3. Heat

  4. Sound
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

SONAR stands for Sound Navigation and Ranging, which uses sound propagation to navigate, communicate with or detect objects under water. Light, velocity and heat are not related to SONAR technology - it specifically uses underwater sound waves.

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