Physics · Physics
एक एल्फा कण का लगभग द्रव्यमान क्या है?
- 11.6 x 10-19 kg
- 21.67 x 10-27 kg
- 39.1 x 10-31 kg
- 46.6 x 10-27 kg✓
सही उत्तर देखें
6.6 x 10-27 kg
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