Science · Physics
मानक कमरे के तापमान (लगभग 20°C) पर हवा में ध्वनि का वेग लगभग कितना होता है?
- 11000 मी/से
- 2500 मी/से
- 3343 मी/से✓
- 4120 मी/से
सही उत्तर देखें
343 मी/से
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