Physics · Atomic Physics
परमाणु द्रव्यमान मानक (Atomic Mass Unit) को परिभाषित करने के लिए किस अंतर्राष्ट्रीय मानक आइसोटोप का उपयोग किया जाता है?
- 1नाइट्रोजन-14
- 2कार्बन-12✓
- 3ऑक्सीजन-16
- 4हाइड्रोजन-1
सही उत्तर देखें
कार्बन-12
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