A 20.0 kg particle has a deBroglie wavelength of 10.0 cm.What is the smallest momentum uncertainty of the particle if its position uncertainty is 5.00 cm? A)1.38 * 10^-33 kg·m/s B)2.17 * 10^-33 kg·m/s C)1.05 * 10^-33 kg·m/s D)9.32 * 10^-32 kg·m/s E)1.54 * 10^-33 kg·m/s

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Quizplus · Accepted Answer

The uncertainty principle states Δx * Δp ≥ ħ/2. Given Δx = 5.00 cm = 0.05 m, the smallest Δp is calculated using ħ = 1.05 * 10^-34 Js, resulting in Δp ≈ 1.05 * 10^-33 kg·m/s.

A 200 Kg Particle Has a DeBroglie Wavelength of 10