Physics Unit27: Early Quantum Theory and Models of the Atom (id: 9f1d68d37)

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本题目来源于试卷: Physics Unit27: Early Quantum Theory and Models of the Atom，类别为 Generic Physics

[单选题]
What is the de Broglie wa7ucb5-(ok jaw8oo8x fvelength of a ball of mas.uked nyh)8+ ms 200 g moving with a speed of 30 m/shu+) k ymn.ed8?

A. $1.1 \times 10^{-34} \; m$
B. $2.2 \times 10^{-34} \; m$
C. $4.5 \times 10^{-28} \; m$
D. $6.7 \times 10^{-27} \; m$


参考答案:  A


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