write note on sonar
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SONAR is a Sound Navigation & Ranging technique which used for mainly in under water navigation in Submarines . Sound waves detect the object under & on the water during navigation for safe sailing . Its detect the echo of any sound and respond it . Sound waves travel far than light or radio waves in water.
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Answer:
SONAR is a Sound Navigation & Ranging technique which used for mainly in under water navigation in Submarines . Sound waves detect the object under & on the water during navigation for safe sailing . Its detect the echo of any sound and respond it . Sound waves travel far than light or radio waves in water.
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