Sound Cancellation
[M | t+ | —]
The sound from two speakers destructively interferes.
Double Sound Source Interference
[M | t+ | ★★★]
Young's experiment performed with coherent sound waves from two loudspeakers.
Beats
[S | t+ | ★★★]
Two tuning forks with similar frequencies; one fork is variable in frequency to tune beating.
[In-Depth Description]
- SEE ALSO
- Ripple Tank Applet (select Setup:Two Sources and 2 Src, 2 Freq from the drop-down menus)
Mechanical Beating
[L | t+ | —]
Shadow projection of the superposition of two circular motions exhibits beating phenomenon.
Double-source Interference
[S | t | —]
Stationary spatial interference pattern from two point sources is displayed on OHP.
Comb Interference
[S | t | —]
Spatial beats between two combs on OHP.
Ripple Tank Wave Phenomena
[L | t+ | —]
Interference patterns of water waves generated by different sources at adjustable frequency.
[In-Depth Description]
- SEE ALSO
- Ripple Tank simulation
Lissajous Figures
[M | t+ | —]
Summation of sinusoidal waves on oscilloscope in x-y mode.
Contact Us
Mailing Address: Lecture Demonstration Services, Science Center, Rm B-08A, 1 Oxford Street, Cambridge, MA 02138
Campus Location: Science Center B-08A | Tel: (617) 495-5824 | Email: scidemos-at-fas.harvard.edu