Problem 2: Rayleigh Disk

“A disk suspended vertically by a thin thread is placed in an acoustic field. This device can be used to measure the intensity of sound by turning about the axis of the thread. Investigate the accuracy of such a device.”

I. Phenomenon Demonstration

• Rayleigh disc. By GetAClass-Physics in experiments https://www.youtube.com/watch?v=8Kj-rxDbKmM

II. Books, Encyclopedia, Discussion and Forum Posts

• Merriam Webster: Rayleigh disk https://www.merriam-webster.com/dictionary/Rayleigh%20disk

III. Research Papers

• Scott, R.A., 1945. An investigation of the performance of the Rayleigh disk. Proceedings of the Royal Society of London. A. Mathematical and Physical Sciences 183, 296–316.. doi:10.1098/rspa.1945.0004 
• Wood, A. (2002). A correction to the theory of the rayleigh disc as applied to the measurement of sound-intensity in water. Proceedings of the Physical Society. 47. 779. 10.1088/0959-5309/47/5/301.