Physics Unit27: Early Quantum Theory and Models of the Atom (id: d7238b163)

admin

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]
The part of an electron microscope that plays the s4+6uxzt2o p vopuip o .;/tdl0ame role as ,+v njiy8)-mcbnw/ r fthe lenses do in an optical microscfnv, +cwnmj/ )y- ir8bope 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