15. How fast is the electron moving in the first Bohr orbit? (A) 3.3 × 10⁶ m/s (B) 5.5 × 10¹⁵ m/s (C) 4.4 × 10⁶ m/s (D) 5.5 × 10⁶ m/s (E) 2.2 × 10⁶ m/s

15. How fast is the electron moving in the first Bohr orbit?
(A) 3.3 × 10⁶ m/s
(B) 5.5 × 10¹⁵ m/s
(C) 4.4 × 10⁶ m/s
(D) 5.5 × 10⁶ m/s
(E) 2.2 × 10⁶ m/s

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16. Zeke says that the magnitude of the orbital angular momentum in the hydrogen atom has the value L = ℓℏ. Ruth says that the maximum magnitude of the projection of the angular momentum along the direction of a constant magnetic field vector is . Which one, if either, is correct, and why? (A) Ruth, because the maximum value of L is (B) Ruth, because the orbital angular momentum always lines up with a magnetic field so that has its maximum value along the field. (C) Zeke, because the maximum magnitude of L is = ℓℏ. (D) Zeke, because the orbital angular momentum always lines up with a magnetic field so that has its maximum value along the field. (E) Neither, because they have interchanged the maximum magnitude of , and ℓℏ, its maximum projection along a magnetic field direction.

15. How fast is the electron moving in the first Bohr orbit?
(A) 3.3 × 10⁶ m/s
(B) 5.5 × 10¹⁵ m/s
(C) 4.4 × 10⁶ m/s
(D) 5.5 × 10⁶ m/s
(E) 2.2 × 10⁶ m/s

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15. How fast is the electron moving in the first Bohr orbit?(A) 3.3 × 10⁶ m/s(B) 5.5 × 10¹⁵ m/s(C) 4.4 × 10⁶ m/s(D) 5.5 × 10⁶ m/s(E) 2.2 × 10⁶ m/s

詳解 (共 1 筆)

相關試題

相關試卷

15. How fast is the electron moving in the first Bohr orbit?
(A) 3.3 × 10⁶ m/s
(B) 5.5 × 10¹⁵ m/s
(C) 4.4 × 10⁶ m/s
(D) 5.5 × 10⁶ m/s
(E) 2.2 × 10⁶ m/s