Inside an organ pipe open at both ends and sounding in its third harmonic

PHYSICS · Single correct · A Level · Physics · Waves · Waves

Problem

Inside an organ pipe open at both ends and sounding in its third harmonic, the distance between successive nodes is

8\,\text{cm}

. If the speed of sound in air is

336\,\text{m\,s}^{-1}

, determine the fundamental frequency of the pipe. (a)

1050\,\text{Hz}

(b)

350\,\text{Hz}

(c)

700\,\text{Hz}

(d)

525\,\text{Hz}