IV. Light
A.
______________
1.
__________________ = c (in vacuum)
In air » ________________
c = f l f =
= f l
2.
The speed of light depends on its medium
B.
Reflection
1.
Law of Reflection
a.
Ð of incidence = Ð of ____________
q in. q in
= Ð incidence
qin = _______
q
r = Ð
reflection (Ð
reflected light makes with the normal)
a. Virtual
(__________________)and _________________
b.
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
polished surface
(produces __________)
b. Diffuse Reflection – reflection off an
irregular surface
causing
light to
______________ (no image)