Physics Unit27: Early Quantum Theory and Models of the Atom (id: dbc6b4b40)

本题目来源于试卷: Physics Unit27: Early Quantum Theory and Models of the Atom，类别为 国际高中通用物理

[单选题]
The part of an electron micr yi xaij;q98suqzz -a1.,i:9 ig+mer oosccqmv09ofc+m : b0zmyv6m ik9- ope that plays the same role as the lenses do in an opti m mvzo:mq9 +yf mccv6b9-k00ical microscope is

A. the vacuum chamber.
B. the coils.
C. the cathode.
D. the deflector plates.


参考答案:  B


本题详细解析: 暂无

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