The approximate radius of a \( \mathrm{H} \)-atom is \( 0.05 \mathrm{~nm} \), and that of proton...

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The approximate radius of a \( \mathrm{H} \)-atom is \( 0.05 \mathrm{~nm} \), and that of proton is \( 1.5 \times 10^{-15} \mathrm{~m} \). Assuming both the hydrogen atom and the proton to be spherical, calculate fraction of the space in an atom of hydrogen that is occupied by the nucleus.
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