問題詳情
1 8 .電漿電視與日光燈管的發光原理相似。已知日光燈管內幾乎為真空，並摻入少量氬、氪、汞等氣體，當燈管左右施加電壓時，會使燈管內氣體正負電荷分離產生電漿，此電漿會產生某種頻率的光線，此光線照射到塗布在燈管內側的螢光粉時，會發出可見光，此電漿所發出的光線為下列何種？
(A)紅外光
(B)紅光
(C)藍光
(D)紫外光
(E)白光。
(A)紅外光
(B)紅光
(C)藍光
(D)紫外光
(E)白光。
參考答案
答案：[無官方正解]
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)
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