题目内容

Who is the champion of the wave theory?

A. Newton
B. Empedocles
C. Einstein
D. Fresnel

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Which one is not an optical phenomenon?

A. polarization
B. parasitic effect
C. reflection
D. refraction

Which component is an active device?

A. resistor
B. capacitor
C. transistor
D. inductor

Which one belongs to the ternary compound semiconductor?

A. silicon
B. phosphorus
C. gallium phosphide
D. aluminum indium arsenide

Which one is conductor in the following materials?

A. silicon
B. quartz
C. glass
D. copper