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範例:電磁波源[102指考]

下列為五種電磁波源:
氫氣放電管:為不連續的光譜線
鎢絲電燈泡:其光譜與溫度有關且為連續光譜
藍光雷射:波長約介於360 nm到480 nm之間的雷射光
FM調頻廣播:其波長介於2.8 m到3.4 m之間
X射線:其波長介於0.01 nm到1 nm之間
以上何者之光譜最接近黑體輻射?
(A)氫氣放電管 (B)鎢絲電燈泡 (C)藍光雷射 (D) FM調頻廣播 (E) X射線。

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Posted in 光與電磁波, 原子光譜, 歷屆指考試卷, 歷屆物理考題, 量子論.

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