GKFix MCQ Question

What is the de Broglie wavelength of a 150 g ball moving at 30.0 m/s?

• A. 1.47 × 10⁻³² m
• B. 1.47 × 10⁻³⁴ m
• C. 1.47 × 10⁻³⁶ m
• D. 1.47 × 10⁻³⁰ m