GKFix MCQ Question

What is the momentum of an electron with de Broglie wavelength 2.12 × 10⁻¹⁰ m?

• A. 2.85 × 10⁻²⁴ kg·m/s
• B. 3.12 × 10⁻²⁴ kg·m/s
• C. 3.41 × 10⁻²⁴ kg·m/s
• D. 3.67 × 10⁻²⁴ kg·m/s