Physics Dept. Demonstration Manual

DVW12 - Variation of Pitch with Frequency

Objective:

To demonstrate that the pitch varies with the frequency of the source.

 
Apparatus:  
  • Rotor
  • Rotating pitch disc (Savart's wheel)
  • Air hose with a jet

Method:

The air jet stand, clamp is moved along the rows of holes in the rotating disc to produce various tones.