A cylindrical tube, open at both ends, has a fundamental frequency `f` in air . The tube is
Channel: Doubtnut
Date: 2020-07-12

A cylindrical tube, open at both ends, has a fundamental frequency `f` in air . The tube is dipped vertically in water so that half of its length is in water. The fundamental frequency of the air column is now   (a) `f // 2`  (b) `3 f // 4`  (C ) `f`  (d) `2f`