Question

What is the difference between an echo and a SONAR?
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Answer 1

Explanation:

Your returning voice is called an echo. ... Both radar and sonar locate objects from the echo of a signal that is bounced off the object. Radar uses radio waves, which are a type of electromagnetic energy. Sonar uses the echo principle by sending out sound waves underwater or through the human body to locate objects.

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Answer 2

$\huge{Answer}$

$\huge \pink{Echo}$

Echo is the sound heard after reflection from a rigid surface such as a cliff, a hillside, the wall of a building etc. "Hello good. Busy sound head after the picture. So the main thing is the Echo is in between. So from the rigid surface because the sound heard after the reflection.

$\huge \red{Sonar}$

Sonar stands for Sound Navigation And Ranging. It is a device which is used to find distance, direction and speed of underwater objects like, water hills, valleys, icebergs, submarines, sunken ships etc.