WBCS.LIVE practice question

SONAR is a device that is used to measure the distance of underwater objects by a ship. Which of the following types of waves does it use for this purpose?

Solve this multiple-choice question and check the correct answer with its explanation below.

Answer options

  1. Infrasonic waves
  2. Sound waves in audible range for human beings
  3. Ultrasonic waves
  4. All of the above

Correct answer and explanation

Correct answer: Ultrasonic waves