Thursday, 15 May 2014

May 15 – Refraction

Today we discuss why this happens:


See how the laser changes direction as it goes through the glass and water?  This is called refraction.  It can make things look different when light moves through different media:


Or even make fish look further away:


Finally refraction through hot and cold air can cause mirages:


Have a look at the handouts for definitions and practice problems.

Handouts

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