Practice question
Question
The ratio of the velocities of an electron in the first orbit of H to the second orbit of He⁺ is: (v₁ for H = 2.19 × 10⁶ m s⁻¹)
Explanation
v₁(H) = 2.19×10⁶. v₂(He⁺) = 2×2.19×10⁶/2 = 2.19×10⁶. Ratio = 1.
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