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Page Title: Figure 2-40. Reflection of point of light in mirror.
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TM 9-258
Figure 2-40. Reflection of point of light in mirror.
c.  Regardless of where the observer stands, if he
by a cutout letter F covered with luminous paint (fig 2-41).
Light from every point on the letter sends out
can see the reflection of the point of light in the mirror, its
incident rays which are reflected by the mirror.  Each
apparent position is unchanged. This holds true whether
incident ray and reflected ray obeys the laws of reflection
he walks forward along his line of sight without affecting
and their paths can be plotted accordingly. As the result,
the angles of incidence and reflection of the ray or steps
the entire image formed by the combination of this
to either side changing his line of sight and the angles of
infinite number of images of individual points of light is
incidence and reflection (EYE"B", fig 2-40).  It is the
reflected to the eye of the observer.  The observer,
object (source of light) that is reflected and the apparent
looking along the paths of the reflected rays, sees the
position of its reflection is changed only when the
image formed by the points of light. The image he sees
position of the object or of the mirror is changed.
d. Now, assume that the light source is replaced
appears to be in back of the mirror as an erect, reverted
2-28

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