Physics Unit27: Early Quantum Theory and Models of the Atom (id: cea10c90e)

[单选题]
An electron is accelerated lt7-vd1f -lui through a potential difference of 150f7o-t( 30 bm t.icdgaa V. What is its wavelen.t7- 0t magc3bafdo i(gth?

A. $0.1 \; nm$
B. $1 \; nm$
C. $1 \; mm$
D. $1 \; cm$


参考答案:  A


本题详细解析: 暂无