How to draw ray diagrams. It explains how to draw ray diagrams for converging lens diverging le. Direct a ray of light from a ray box along the 20o line this is the incident ray. This physics video tutorial on optics provides a basic introduction into ray diagrams.
You can see a listing of all my videos at my website httpwwwstepbystepscienc. Draw a ray which passes from the object through the centre of the lens. Using a protractor draw a normal at c roughly the middle of ab.
Using a straight edge. Step by step method for drawing ray diagrams 1. Draw a line at 20o to the normal.
Once these incident rays strike the mirror reflect them according to the two rules of reflection for concave mirrors. On a sheet of white paper draw a pencil line label this ab. Position a plane mirror carefully along ab.
To draw a ray diagram.
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