Question

Give the reason for using ultra sonic waves in sonar.​

Answer 1

Answer:

Mate here is your answer

Explanation:

Ultrasonic waves used in Sonar because these waves can penetrate water to long distances (because of high frequency and short wave length)...

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Answer 2

Answer:

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SONAR ( sound navigation ranging) uses ultrasonic waves i.e. sounds having frequency greater than 20,000 Hz.

The reasons are:-

1. They can penetrate water to long distances (because of their high frequency and very short wavelength) unlike ordinary sound waves or infrasonic waves.

2. Sound of these waves do not get mixed with engine noises or other sounds made by the ship.