Physics · Wave Motion and Sound
समुद्र की गहराई मापने के लिए निम्नलिखित में से कौन-सी विधि अपनाई जाती है?
- 1वायुदाबमिति
- 2अपवर्तनमिति
- 3भूकंप विज्ञान
- 4इको साउंडिंग✓
सही उत्तर देखें
इको साउंडिंग
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