Arc lamp and mirror on large disk rotate showing beam angles.
6A10.11 • E+40+0
Arc lamp, with mirror on large rotateable disk showing beam angles. This apparatus is designed to show that the angle of incidence equals the angle of reflection. White light from a carbon arc shines through a slit, producing a ray that reflects off a front-surface mirror mounted on a large white rotateable disk marked with degrees. The ray also glances against the disk, making it visible to the class.
Related Demos
6A10.10
Blackboard optics: Light sources with lucite lenses. 6A10.10
Blackboard optics: Light sources with plane and curved mirrors. 6A10.60
Phantom lightbulb: Image in a plane mirror. 6A10.40
Variable angle mirror assembly with candle. 6A10.45
Barbershop mirrors:Parallel mirrors with light bulb. 6A10.18
Reflection of microwaves off an aluminum plate.
E+40+45
Shape of Reflection depends on shape of mirror E+40+5
Blackboard optics: Light sources with plane and curved mirrors. E+40+10
Phantom lightbulb: Image in a plane mirror. E+40+15
Hand held plane mirror and right angle mirror. E+40+20
Variable angle mirror assembly with candle. E+40+21
Barbershop mirrors:Parallel mirrors with light bulb. E+40+25
Retrodirective reflector: Silvered right angle prism, using laser. E+40+30
Reflections from concave and convex mirrors with lighted arrow. E+40+35
Phantom bouquet: Real image from a concave mirror. E+40+40
Clam shell mirrors: Floating coin illusion. E+40+41
Concave mirrors focus candle flame on thermopile across bench. (same as 650) E+40+42
Light the Match (same as C+65+2). E+40+44
Applet: Thin Lens (converging/diverging lens/mirrors) E+40+46
Applet: Plane Mirror E+40+48
Applet: Spherical mirror: study of stigma E+40+50
Applet: The Newton telescope E+40+52
Applet: The Cassegrain telescope