Physics:Refraction and Images
Why does heat cause light to shimmer, or even form mirages? Why does this pen appear to bend when it is put into water? And why do we get two or more images of it? How does white light turn into colours in a rainbow? These effects are all due to the bending of light caused by refraction. Let's start from the source, and see where light comes from and how it travels.
- Added：2006
- Country：Australia
- Duration：22
- Time of update：2011/3/11 15:03:55