Reflection From Curved Surfaces: Projected Filament w/ Mirrors

PIRA 6A20.41 - Reflections From Curved Surfaces: Projected Filament w/Mirrors

Instructions / Notes:

Turn on the light bulb in front of a concave mirror.
Move the light bulb to focus the image on the wall or a screen.
Demo includes 3 masks to reduce the aperature size .
Show the effect of aperature size on the sharpness of the image by placing different sized stops in front of the mirror.
Next a convex mirror is used with the object between the class and mirror to show negative f.

Photo Shows the Converging Mirror Used at the University of Texas at Austin.

Illustration is Provided by Courtesy of the University of Minnesota.