题目内容：
将钠灯发出的黄光垂直投射于某一衍射光栅，而这种黄光包含钠双线的波长分别为589.0nm和589.6nm，若为了分辨第三级中的钠双线，光栅的刻线数应为
A.222
B.333
C.444
D.555
参考答案：
选择题：将钠灯发出的黄光垂直投射于某一衍射光栅，而这种黄光包含钠双线的波长分别为589.0nm和589.6nm，若为了分辨第三级
- 题目分类：中国大学MOOC慕课
- 题目类型：选择题
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