IV.    Light


A.                _______________________


1.                __________________ = c (in vacuum)



In air ________________





2.                The _______ of light depends on its _____________


B.                Reflection


1.                Law of Reflection


a.                of incidence = of ____________











qr = reflection ( reflected light makes with the normal)


a.      Virtual (__________________) and _________________



Incident ray, normal line, and reflected rays are all in the _________








c.                 The distance the object is in front of the mirror_______________


the distance the image is __________


2.                Two Basic Kinds of Reflection



a.     Regular Reflection reflection off a


________ surface (produces __________)



b.     Diffuse Reflection reflection off an irregular surface causing


light to ______________ (no image)