Ejs Open Source Light and Shadow Model java applet

[lookang]

Ejs Open Source Light and Shadow Model java applet by andrew duffy, remixed by lookang
reference:http://www.compadre.org/osp/items/detail.cfm?ID=9983

Embed a running copy of this simulation
<applet code='users.sgeducation.lookang.light_and_shadowwee_pkg.light_and_shadowweeApplet.class' archive='http://www.phy.ntnu.edu.tw/ntnujava/ejsuser/14019/ejs_light_and_shadowwee.jar' name='light_and_shadowwee10221' id='light_and_shadowwee10221' width='700' height='332' mayscript=true><param name='draggable' value='true'></applet>
Embed a running copy link(show simulation in a popuped window)
<a href='http://www.phy.ntnu.edu.tw/ntnujava/msg.php?smfejs=10221' target='smfejs'>Run simulation</a>

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!

[lookang]

changes made:
design with layout to my usual specification
added source 3
design intensity sliders, for the effect of light and shadow when the light overlap

[lookang]

made a JavaScript version
Light and Shadow Primary School JavaScript Model Simulation Virtual Lab
http://iwant2study.org/ospsg/index.php/interactive-resources/physics/04-waves/04-light/383-light-and-shadowwee02