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The value of the Bohr magneton is about

A6.63 x 10^-34 A m^2
B9.1 x 10^-31 A m^2
C1.6 x 10^-19 A m^2
D9.274 x 10^-24 A m^2
Answer & Solution
Correct answer: D. 9.274 x 10^-24 A m^2
The Bohr magneton eh/4πm for the first orbit works out to 9.274 x 10^-24 A m^2.
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