InterviewSolution
Saved Bookmarks
| 1. |
A cylinderical tube open at both ends, has a fundamental frequency f in air. The tube is dipped vertically in water so that half of it is in water. The fundamental frequency of air column is nowA. n/2B. nC. 2nD. 4n |
|
Answer» Correct Answer - B `n_1=n " " l_2=l/2` `n_2/n_1 = (v)/(4l//2) (2l)/(v) = 1` `n_2 = n_1 =n` Since when the tube is dipped in water it acts as open at one end closed to the other end. |
|