Science · Physics
किस उपकरण या तकनीक द्वारा ध्वनि तरंगों का प्रयोग करके समुद्र की गहराई मापी जाती है?
- 1एनेमोमीटर
- 2रडार (RADAR)
- 3मैनोमीटर
- 4सोनार (SONAR)✓
सही उत्तर देखें
सोनार (SONAR)
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