Physics · Acoustics
मैक अंकों का प्रयोग किसके वेग के संबंध में किया जाता है?
- 1ध्वनि तरंगों के
- 2वायुयान के✓
- 3अंतरिक्ष यान के
- 4जलयान के
सही उत्तर देखें
वायुयान के
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