MCQ
The radium of an atom is about
- Athe same as the volume of its nucleus
- Bfour times the radius of its nucleus
- ✓$10,000$ times the radius its nucleus
- D$10^{12}$ times the radius of its nucleus
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[Use : $\left.\mathrm{h}=6.63 \times 10^{-34}\, \mathrm{Js}, \mathrm{m}_{\mathrm{e}}=9.0 \times 10^{-31}\, \mathrm{~kg}\right]$