An organ pipe has two successive harmonics with frequencies `400` and `560 H_(Z)`.
Channel: Doubtnut
Date: 2020-07-12

An organ pipe has two successive harmonics with frequencies `400` and `560 H_(Z)`. The second of sound in air is `344 m//s`.  (a) Is the an open or a closed pipe?  (b) What two harmonics are three?  (c ) What is the length of the pipe?