[問題] 97台大A
※ [本文轉錄自 TransPhys 看板 #1CApcwzo ]
作者: lyricslee (奕) 看板: TransPhys
標題: [考古] 97台大A
時間: Wed Jun 30 20:33:58 2010
第八題
一道光線垂直穿過ㄧ個線性偏振片(Polariod)
將偏振片以光線為轉軸轉動角Θ之後~
量測穿透光的強度I(Θ)~
何者正確??
C)I(Θ)=A+Bcos(2Θ)
D)如果I(Θ)是常數,則光線是非偏振的
我的解答本給C~
請問為什麼不是D呢??????
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