Uncertainty Principle Using ΔPΔx ≥ H/2: an Electron Inside a Hydrogen

question 13

Multiple Choice

Uncertainty principle using ΔpΔx ≥ h/2: An electron inside a hydrogen atom is confined to within a space of 0.110 nm. What is the minimum uncertainty in the electron's velocity? (h = 6.626 × 10^-34 J ∙ s, m_el = 9.11 × 10^-31 kg)

• A) 3.31 × 10⁶ m/s
• B) 4.71 × 10⁶ m/s
• C) 3.30 × 10⁸ m/s
• D) 4.71 × 10⁸ m/s
• E) 3.30 × 10¹⁰ m/s

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