The diagram above shows the basic idea behind a disk siren

Last updated: 6/24/2023

The diagram above shows the basic idea behind a disk siren It consists of a disk in which there are 16 equally spaced holes all at the same distance from its axle When a jet of air is directed at the holes and the disc is rotated at a particular constant rate the frequency of the note produced is 320 Hz When a disk containing 24 holes is rotated at 4 3 times the rate then frequency of note produced is 320 n Hz Find the value of n Air