Successive resonances in a tube closed at one end are found to differ in frequency by

PHYSICS · Single correct · CBSE · Physics · Waves · Waves

Problem

400\,\text{Hz}

. If the speed of sound in air is

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

, what is the length of the tube? (a)

0.86\,\text{m}

(b)

0.43\,\text{m}

(c)

1.72\,\text{m}

(d)

0.21\,\text{m}