Angular momentum of the electron in a Bohr orbit from its level or energy (L = nh/2pi)

1. A.
   $2.10 \times 10^{- 34}Js$
2. B.
   $1.05 \times 10^{- 34}Js$
3. C.
   $3.15 \times 10^{- 34}Js$
4. D.
   $4.2 \times 10^{- 34}Js$

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1. A.
   $\frac{L}{2}$
2. B.
   zero
3. C.
   L
4. D.
   $2\text{ }L$

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1. A.
   $8\frac{h}{\pi}$
2. B.
   $\frac{h}{\pi}$
3. C.
   $2\frac{h}{\pi}$
4. D.
   $\frac{h}{2\pi}$

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1. A.
   2
2. B.
   4
3. C.
   5
4. D.
   6

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1. A.
   -1.51
2. B.
   -0.85
3. C.
   -0.38
4. D.
   -0.28

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