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範例:測不準原理[98學測]

依據海森伯測不準原理,具有特定關係的兩個物理量,如位置與動量、能量與時間,要同時知道它們的量值到任意的精確度,是不可能的。下列與此原理有關的敘述,何者正確?(A)採用國際單位制(SI)時,適用測不準原理的兩個物理量,其乘積都可用瓦特表示(B)個別針對位置或動量的量值進行測量時,其精確度可以不受測不準原理的限制(C)測不準原理所以成立,與實驗測量儀器的精確度不夠有關(D)光子恆以光速前進,因此不適用測不準原理

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Posted in 歷屆學測(推甄)考題, 波粒二象性, 物質波, 量子論.

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