Question

STATE TRUE OR FALSE ​1.SONAR IS AN APPLICATION OF ECHO.

Answer 1

TRUE
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SONAR IS AN APPLICATION OF ECHO.

Answer 2

SONAR means Sound Navigation And Ranging.sonar is a device which is used to find the depth of a sea or to investigate the under water things like shoals of fish and shipwrecks.thats why sonar is the application of echos.

so it is true.
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