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2020-06-12View Original

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选择题：自然光以60°的入射角照射到某两介质交界面时，反射光为线偏振光，则知( ) （A）折射光为线偏振光，且折射角是30°.（B）折射光为部分偏振光，折射角是30°.（C）折射光为线偏振光，折射角不能确定.（D）折射光为部分偏振光，折射角不能确定. 答案：B 提示：能阐述出解题过程的给予额外奖励，答案回复可见！

Reply #22020-06-12

本帖最后由中原人于 2020-6-12 13:48 编辑（B）. 题解：反射光为完全偏振光，说明入射角60°符合布儒斯特角；由布儒斯特定律可知，反射光与折射光互相垂直，且折射光为部分偏振光。故答案D是正确的。

Reply #32020-06-12

B。反射光为完全偏振光，说明入射角60°符合布儒斯特角；由布儒斯特定律可知，反射光与折射光互相垂直，且折射光为部分偏振光。

Reply #42020-06-12

（B）折射光为部分偏振光，折射角是30°

Reply #52020-06-12

（B）折射光为部分偏振光，折射角是30°.

Reply #62020-06-13

B 布儒斯特定律，折射光为部分偏振光并与反射光垂直。

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