Physics · Wave Motion and Sound
25°C पर पारा (mercury) में ध्वनि की चाल कितनी होती है?
- 16420 मी/से
- 25640 मी/से
- 35130 मी/से
- 41450 मी/से✓
सही उत्तर देखें
1450 मी/से
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