Q: An open pipe resonates with a tuning fork of frequency 500 Hz. It is observed that two successive notes are formed at distances 16 and 46cm from the open end. The speed of sound in air in the pipe is
(a) 230 m/s
(b) 300 m/s
(c) 320 m/s
(d) 360 m/s
Ans: (b)