Which type of waves is used in SONAR?

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Ultrasonic waves

Radio waves

Audible sound waves

Infrasonic waves

answer is B.

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Detailed Solution

Ultrasonic waves are used in SONAR.
SONAR stands for Sound Navigation and Ranging with ultrasonic waves. In this technique, Ultrasonic waves are produced in all directions. If any object is present inside the waves’ range, waves get reflected back and detected by the device. And the location of the object is detected.

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