题目内容

The colors exhibited by thin films are caused by the ________.

A. reflection
B. polarization
C. refraction
D. interference

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Who is the champion of the wave theory?

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

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

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