Anatomy & Physiology
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33. Geometric Optics
Ray Nature Of Light
A small light source is casting your shadow on a large wall. Both you and the light are on a line normal to the wall. You are one-fourth of the way from the light to the wall. How wide is your shadow compared to your normal width?
The shadow is one-fourth your width.
The shadow is one-third your width.
The shadow is half your width.
The shadow is twice your width.
The shadow is three times your width.
The shadow is four times your width.
Anderson Video - Geometric Optics Intro
by Professor Anderson
VIDEO 1: The Ray Model of Light & Reflection
by Graeme Low
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