September 01, 2001 Filed in: Demo Corner
Roily Meisel, Ridgeway Crystal Beach High School
Visible standing waves with a node at each end are fairly easy to demonstrate. You can use a long spring such as a slinky (cheap way), or even order a nice transducer-based demo from one of the scientific supply companies (expensive way). However, I also wanted to demonstrate antinodes at both ends, or even one node and one antinode. Read More...
January 01, 2001 Filed in: Demo Corner
Peter Scovil, Waterford, ON
I like music, and enjoy playing the guitar, so the following demo caught my eye (or ear?). It was in the Jan. '95 issue of The Physics Teacher
(p.58) by G.R. Davies of South Africa. It is a good example of electromagnetic induction that is easy for students to understand. Read More...