問題詳情
38. 以凸透鏡閱讀書報時，應將書報置於何處？
(A)焦點與透鏡之間
(B)焦點處
(C)焦點與二倍焦距之間
(D)二倍焦距之外
(A)焦點與透鏡之間
(B)焦點處
(C)焦點與二倍焦距之間
(D)二倍焦距之外
參考答案
答案：A
難度：適中0.666667
統計：A(2),B(0),C(1),D(0),E(0)
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