Equation for the angular momentum of an electron in a stationary orbit (mvr = nh/2pi)

1. A.
   $mvr = \frac{2\pi h}{n}$
2. B.
   $mvr = \frac{nh}{2\pi}$
3. C.
   $mvh = \frac{n \cdot r}{2\pi}$
4. D.
   $mv = \frac{h \cdot r}{2\pi n}$

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1. A.
   $mvr = \frac{nh}{2\pi}$
2. B.
   $mvr = \frac{2\pi n}{h}$
3. C.
   $r = \frac{mvhn}{2\pi}$
4. D.
   $mv = \frac{2\pi rn}{h}$

Tap an option to check your answer.