An organ pipe (A) closed at one end and vibrating in its first harmonic and another pipe B open at both ends, Vibrating in its third harmonic are in resonance with agiven tuning fork. The ratio of the length of A to that of B is
A. 1/2
B. 1/3
C. 8/3
D. 1/6
Answer:D
An organ pipe (A) closed at one end and vibrating in its first harmonic and another pipe B open at both ends, Vibrating in its third harmonic are in resonance with agiven tuning fork. The ratio of the length of A to that of B is
A. 1/2 B. 1/3 C. 8/3 D. 1/6