If fundamental frequency of an open pipe is f0. Its fundamental frequency when it is half-filled with water is :
A cylindrical tube, open at both ends, has a fundamental frequency f0 in air.
The tube is dipped vertically into water such that half of its length is inside
water. The fundamental frequency of the air column now is
[RPET 1999; RPMT 1998, 2000; J & K CET 2000;
KCET 2002; BHU 2002; BCECE 2003]