Tuesday 31 October 2017

Thursday 19 October 2017

Websites for critical angle and total internal reflection

Click HERE for a short one (under 3 minutes)

Khan Academy's video is HERE  (7 minutes)

Click HERE for another explanation (around 15 minutes)




Thursday 5 October 2017

Thursday 28 September 2017

Tuesday 12 September 2017

Wave on a String Applet

Click here for the wave generator!!

(PS.  If this doesn't work, google  "wave on a string".

Wednesday 11 January 2017