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REFLECTION 



THE SUN 



Let B D E C be the well, and D E the water. 



The ray A B strikes against the brick- work inside the 

 well ; and 



The ray A C strikes against the brick- work outside 

 the well. 



None will ever touch the water DE. 



Q. Why do we see the MOON reflected in a 

 WELL very OFTEN ? 



A. As the rays of the MOON are not 

 so oblique as those of the sun, they will 

 often reach the water. fSee next figure.} 



Q. Why are the STARS REFLECTED in a WELL, 

 although the SUN is NOT? 



A. As the rays of the STABS are not 



