Ejs Open Source Lens with light path block to show intensity drops

[lookang]

What happened to the image if part of the light path were blocked
http://www.phy.ntnu.edu.tw/ntnujava/index.php?topic=160.0

Ejs Open Source Lens with light path block to show intensity drops instead of the image blocked.

Embed a running copy of this simulation
<applet code='users.sgeducation.lookang.thinlensintensitywee_pkg.thinlensintensityweeApplet.class' archive='http://www.phy.ntnu.edu.tw/ntnujava/ejsuser/14019/ejs_thinlensintensitywee.jar' name='thinlensintensitywee6175' id='thinlensintensitywee6175' width='684' height='355' 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=6175' 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]

making changes

 changes to updating object in Ejs 4.2.7
 changes to buttons
 added 2F on both sides and made it draggable
 changes o color scheme to follow http://www.phy.ntnu.edu.tw/ntnujava/index.php?topic=1155.0