• 2022-07-24
    以氯放电管发出的光垂直照射到某光栅上,测得波长[tex=4.0x1.214]wacB2ckJHjFg/rzvTKB4QxdO2uTDanyb5XjlG9rebic=[/tex][tex=1.5x1.0]FeM5JKtECm9zX482D7vGOw==[/tex]的谱线的衍射角为[tex=2.857x1.286]3pcOhMICisRdH/fWZ2jJezfC6dBP17lk8DDs/SmZ1qw=[/tex].如果在同样[tex=0.714x1.0]y9ABqRCnjQW6yIa1BUBRPA==[/tex]角处出现波长[tex=5.5x1.214]pQMIIiv1lyF/JtH93/xwS2wpwsFP/HA0cpHeKa1whhY=[/tex]的更高级次的谱线,那么光栅常数最小为多少?
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