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cheng
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Jun 6, 2013, 1:26:09 PM
6/6/13
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DVD內容說要發生全反射 必要條件是最後一層的介質折射率必須大於"上面任意一層"
那如果在最後一層1.0後面又擺上1.5,讓新的折射角回到最初的折射角 後面在擺上任意折射率小於1.5的介質
那這樣還有可能會發生全反射嗎?
討論區板主
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Jun 11, 2013, 8:20:40 AM
6/11/13
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您好:
您可以用n7=1.5,套入解題思路式子試試看可不可以求出θ3或θ1,(θ3不可以90度,θ1不可以90度)
cheng於 2013年6月7日星期五UTC+8上午1時26分09秒寫道:
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