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試卷名稱：107年 - 物理及化學#86559
年份：107年
科目：學士後西醫物理及化學
41. A pipe open at both ends has a fundamental frequency of f. A second pipe closed at one end and open at the other end has the
same fundamental frequency. What is the ratio of the length of the pipe open at both ends to the length of the pipe closed at one
end?
(A) 1
(B) 2
(C) 
(D) 4
(E) 