Physics · Modern Physics
इलेक्ट्रॉन का विराम द्रव्यमान ऊर्जा MeV में कितना होता है?
- 10.24 MeV
- 2931 MeV
- 31.02 MeV
- 40.51 MeV✓
सही उत्तर देखें
0.51 MeV
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