Longitudinal wave apparatus: Ball bounces off end of stroked rod.

3D40.20 • B+55+20

Longitudinal Waves in a Rod: ball bounces off end of stroked rod. This part of the rod is stroked with a cloth impregnated with resin. Put cloth over rod, pinch hard and pull. The rod vibrates at the first harmonic.

Related Demos

---

3D40.10 Xylophone. 3D40.30 Chladni's disc: Bowed disk forms patterns in sprinkled salt. 3D40.31 Chladni's Figures: Vibrational modes of a metal plate 3D40.51 Large glass bowl with ping pong balls and violin bow. 3D40.55 Driven Harmonic Oscillations 3D40.55 Beaker is broken by sound from speaker.

B+55+0 Film loop: "Vibrations of a metal plate", 3:45 min. B+55+1 Film loop: "Vibrations of a drum", 3:25 min. B+55+5 Chladni's disc: Bowed disk forms patterns in sprinkled salt. B+55+7 Chladni's Figures: Vibrational modes of a metal plate B+55+10 Large glass bowl with ping pong balls and violin bow. B+55+15 Young's modulus rod: Hammer and rod with nodes marked. B+55+25 Kundt's tube: Powder in tube shows standing waves. B+55+30 Applet: Vibrational Modes of a Circular Membrane B+55+35 Applet: Hotel webcam of pool during California Eartquake 2010 B+55+40 Applet: Vibrational Modes of a Rectangular Membrane