A tube with both ends closed has same set of natural frequency as

Prove that a pipe of length 2l open at both ends has same fundamental frequency as another pipe of length l closed at the other end. Also, state whether the total sound will be identical for two pipes.

A cylindrical tube, open at the 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 the air column is now-

A cylindrical tube open at both ends, has a fundamental frequency ' f in air. The tube is dipped vertically in air. The tube is dipped vertically in water so that half of it is in water. The fundamental frequency of the air column in now

A cylindrical tube, is open at both the ends, it has fundamental frequency 200 Hz in air. Now half of length contains water. The fundamental frequency will now be

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 now

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