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Common Science 



all the rough parts of the glass gets so scattered that 

 you cannot bring it to a focus. Therefore, no image of 

 the filament in the incandescent lamp can be formed on 

 the retina of your eye. 



A piece of white paper reflects practically all the light 

 that strikes it. Yet you cannot see yourself in a piece of 

 ordinary white paper. The trouble is that the paper is too 



FIG. 89. How the droplets in a cloud scatter the rays of light. 



