Which one is the correct relation for fundamental frequency of open and closed pipe ?A. fopen = 2 fclosedB. fclosed = 2fopenC. fopen = fclosedD. fopen = 1 / f closed 0 0 votesArticle Rating Subscribe LoginNotify of new follow-up commentsnew replies to my comments Label {} [+] Name* Email* Website Label {} [+] Name* Email* Website 0 Comments Oldest Newest Most Voted Inline FeedbacksView all comments