Physics · Scientific Instruments
'सोनार' (SONAR) का उपयोग मुख्य रूप से किसके द्वारा किया जाता है?
- 1अंतरिक्ष यात्रियों द्वारा
- 2नौसंचालकों द्वारा✓
- 3भूवैज्ञानिकों द्वारा
- 4डॉक्टरों द्वारा
सही उत्तर देखें
नौसंचालकों द्वारा
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