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Give me a standpoint and I will move the earth. ...Archimedes (287-212BC)
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Author Topic: illustrate refraction with dog running  (Read 4516 times)
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on: July 27, 2010, 05:36:01 pm »

This following applet is illustrate refraction with dog running
Created by prof Hwang Modified by Ahmed
Original project illustrate refraction with dog running

The velocity of wave changes when wave move from one media into another media.
For light: The index of refraction is defined as n=c/v, where c is the speed of light in vacuum, and v is the speed of light in media.

The following animation use many dogs running from one region into another region.
Due to the condition on the ground , dogy's speed is different when running from one region into another region.
It obeys Snell's Law n_1 \sin\theta_1 =n_2 \sin\theta_2.

You can use n_1,n_2 slider to change speed of running dogs and c1 to change it moving direction.

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!

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Give me a standpoint and I will move the earth. ...Archimedes (287-212BC)
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