Physics · Wave Motion and Sound
पानी के नीचे ध्वनि तरंगों का उपयोग करके वस्तुओं की पहचान, स्थिति और दूरी मापने के लिए प्रयुक्त होने वाले उपकरण को क्या कहा जाता है?
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सोनार (SONAR)
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