|q⟩
Bad Qubits
Play
Quest
Questions
Learn
Playground
☕
← Question Bank
Multiple choice
The fine structure of hydrogen is smaller than the gross (Bohr) structure by what factor, where
α
\alpha
α
is the fine-structure constant (approximately
1
/
137
1/137
1/137
)?
α
4
\alpha^4
α
4
(about
3
×
10
−
9
3 \times 10^{-9}
3
×
1
0
−
9
)
α
\alpha
α
(about
1
/
137
1/137
1/137
)
1
/
α
1/\alpha
1/
α
(about 137)
α
2
\alpha^2
α
2
(about
5
×
10
−
5
5 \times 10^{-5}
5
×
1
0
−
5
)
Check answer