A closed organ pipe of length is sounding its third harmonic

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

Problem

A closed organ pipe of length

85\,\text{cm}

is sounding its third harmonic. The distance of the first antinode from the closed end of the pipe is (a)

0.34\,\text{m}

(b)

0.17\,\text{m}

(c)

0.28\,\text{m}

(d)

0.14\,\text{m}