IV.      Light

 

A.                ______________

 

1.                __________________ = c (in vacuum)

 

 

In air » ________________

 

                                    

 

 

                    

 

2.                The _______ of light depends on its _____________

 

B.                Reflection

 

1.                Law of Reflection

 

a.                Ð of incidence = Ð of ____________

 

 

 

 

       

                                                               

 

 

 

 

      

 

 

 

qr = Ð reflection (Ð reflected light makes with the normal)

 

a.      Virtual (__________________)and _________________

 

 

 

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)