Question

Explain the word SONAR
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Answer 1

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Sonar, (from “sound navigation ranging”), technique for detecting and determining the distance and direction of underwater objects by acoustic means.

Answer 2

Answer:

SONAR stands for sound navigation and ranging . SONAR is a device which is used by ships and submarines to locate position of other vessels in the ocean. These are of two types. One is passive, which only detects the incoming. Another one is active SONAR which transmits sound pulses and detects the reflected echoes to detect presence of other sea vessels. Principle behind SONAR is reflection of sound.

The sound sent is reflected back from the sea bed which is known as echo.

Explanation: