This applet is [b]Interference Model: Ripple Tank[/b] written by [b]Andrew Duffy [/b] i just modified layout.
Original applet  [u]http://www.compadre.org/osp/items/detail.cfm?ID=9989[/u]
The Interference Model: Ripple Tank investigates constructive and destructive interference between two point sources.
The user can change the point source frequency, location and separation and phase difference between the point sources. 
The model also shows the difference in distance from the point sources to a movable observation point.

/htdocs/ntnujava/ejsuser/37048/users/br/ahmed/Ripple_Tank_Interference_pkg/Ripple_Tank_Interference.propertiesFull screen applet or Problem viewing java?Add http://www.phy.ntnu.edu.tw/ to exception site list
Press the Alt key and the left mouse button to drag the applet off the browser and onto the desktop. This work is licensed under a Creative Commons Attribution 2.5 Taiwan License
Download EJS jar file(827.4kB):double click downloaded file to run it. (19 times by 10 users) , Download EJS source (1 times by 1 users) View EJS source