問題詳情
20.一大氣壓下以水銀操作托里切利實驗,結果如(圖六)所示,下列敘述何者正確?
(A)ab長度為76cm
(B)改變θ角度,cd長度也會改變
(C)改變θ角度・ab長度也會改變
(D)玻璃管傾斜,因此無法判斷
參考答案
無參考答案
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