An open pipe of length supports a standing wave

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

Problem

An open pipe of length

0.85\,\text{m}

supports a standing wave. If the speed of sound in air is

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

, calculate its fundamental frequency. (a)

400\,\text{Hz}

(b)

600\,\text{Hz}

(c)

200\,\text{Hz}

(d)

100\,\text{Hz}