MCQ
नाभिक का घनत्व लगभग होता है
- A$2.29 \times 10^7 kg m ^{-3}$
- B$2.29 \times 10^{-7} kg m ^{-3}$.
- ✓$2.29 \times 10^{17} kg m ^{-3}$
- D$2.29 \times 10^{-17} kg m ^{-3}$
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