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【单选题】
有两个几何形状完全相同的劈尖,一个是空气中的玻璃劈尖,一个是玻璃中的空气劈尖。当以相同波长的单色光分别垂直照射它们时
A.
玻璃劈尖的条纹间距比空气劈尖大
B.
玻璃劈尖的条纹间距比空气劈尖小
C.
两个劈尖干涉条纹间距相同
D.
观察不到玻璃劈尖的干涉条纹
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