An organ pipe has two successive harmonics with frequencies and

PHYSICS · Multi-part · CBSE · Physics · Waves · Waves

Problem

An organ pipe has two successive harmonics with frequencies

400\,\text{Hz}

and

560\,\text{Hz}

. The speed of sound in air is

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

. (a) Is this an open or a closed pipe? (b) What two harmonics are there? (c) What is the length of the pipe?