平行单色光垂直照射到薄膜上,经上下两个表面反射的两发生干涉,若薄膜的厚度为e ,并且,n 1 < n 2 > n 3 ,λ1为入射光在折射率为n 1 的媒质中的波长,则两束反射光在相遇点的相位差为
A.
2 π n 2 e /( n 1 λ 1 )
B.
4 π n 1 e /( n 2 λ 1 ) + π
C.
4 π n 2 e /( n 1 λ 1 ) + π
D.
4 π n 2 e /( n 1 λ 1 )
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【单选题】The (1) program means a program written in a high-level language. It is generally translated to an (2) program, which is in a form. directly understandably by the computer. The translation is usually ...