A 60.0 cm long organ pipe is filled with air and is open at both ends.The velocity of sound in air at 0$^{\circ}$C is 331 m/s.What is the wavelength of the fundamental mode?
A) 115 cm
B) 120 cm
C) 131 cm
D) 142 cm
E) 167 cm

Question

Quizplus · Accepted Answer

For an open pipe, the fundamental mode has a wavelength twice the length of the pipe. Therefore, the wavelength is 2 * 60 cm = 120 cm.

A 600 Cm Long Organ Pipe Is Filled with Air and and Is