Question 3
In SONAR, we use

(a) ultrasonic waves
(b) infrasonic waves
(c) radio waves
(d) audible sound waves

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Solution

Ultrasonic waves are used for sonar.

(a) ultrasonic waves

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Question 3 In SONAR, we use (a) ultrasonic waves (b) infrasonic waves (c) radio waves (d) audible sound waves

Ultrasonic waves are used for sonar. (a) ultrasonic waves

Question 3
In SONAR, we use

(a) ultrasonic waves
(b) infrasonic waves
(c) radio waves
(d) audible sound waves

Ultrasonic waves are used for sonar.

(a) ultrasonic waves