Interference of two point sources in 3D

The following simulation show two point source located at P1=(x1,y1,z) and P2=(x2,y1,z)

It only show waves moving toward a common point P=(x,y,z), so that the interference can be shown at (x,y,z)
$y1(t)=h*sin(k*r1-w*t)$ where r1 is the distance of bwtween P1 and P.
and
$y2(t)=h*sin(k*r2-w*t)$ where r2 is the distance of bwtween P2 and P.

You can change the distance between source with slider for d, location of observed point with slider for x,wavelength with slider for lambda.

Two blue arrows represent phases for those two wave at P. i.e. represent (k*r1-w*t and k*r2-w*t).

Embed a running copy of this simulation

Embed a running copy link(show simulation in a popuped window)

Full 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

Please feel free to post your ideas about how to use the simulation for better teaching and learning.
Post questions to be asked to help students to think, to explore.
Upload worksheets as attached files to share with more users.

Let's work together. We can help more users understand physics conceptually and enjoy the fun of learning physics!

Related Topics
	Subject	Started by	Replies	Views	Last post
	Interference between two waves (point source) Wave	Fu-Kwun Hwang	10	184342	July 21, 2015, 01:15:17 pm by Walterting
	Demo for wave (two point sources in ripple tank) Physlet builder (Create your own simulation)	Fu-Kwun Hwang	3	14094	October 10, 2015, 10:31:57 pm by felezyab2
	Physlet ripple applet (add point sources and watch interference wave pattern) Physlet builder (Create your own simulation)	Fu-Kwun Hwang	0	9216	June 15, 2009, 03:22:02 pm by Fu-Kwun Hwang
	Motion respect to apparent point Request for physics Simulations	tesla2	5	5673	April 17, 2015, 03:32:14 am by Femida

	Author	Topic: Interference of two point sources in 3D (Read 7766 times)
0 Members and 1 Guest are viewing this topic. Click to toggle author information(expand message area).