Multiple choice

Sonar makes use of

  1. infrasonic sound

  2. ultrasound

  3. ordinary sound

  4. light
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

SONAR (Sound Navigation and Ranging) technology utilizes ultrasonic waves for underwater detection and distance measurement. Infrasonic waves are below human hearing range, ordinary sound lacks the precision and directionality needed for SONAR applications, and light is unrelated to acoustic ranging systems.

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