| DCS # | DEMONSTRATION | REFERENCE | ABSTRACT |
|---|
| 6A10.00 | Reflection From Flat Surfaces | | |
| 6A10.05 | optical design software | AJP 59(3),242 | Use commercial optical design software to model and display geometrical optics. |
| 6A10.09 | reflection model | TPT 3(5),230 | A string and pulley arrangement shows the minimum path for reflection from a flat surface. |
| 6A10.10 | blackboard optics - plane mirror | PIRA 500 | |
| 6A10.10 | blackboard optics - plane mirror | Ob-11 | Blackboard optics - plane mirror. |
| 6A10.11 | optical disk with flat mirror | PIRA 1000 | |
| 6A10.11 | optical disk with flat mirror | 6A10.11 | Use a single beam with the optical disk and a flat mirror element. |
| 6A10.11 | optical disk with flat mirror | L-22 | Turn the optical disk with a single beam of light hitting the mirror. |
| 6A10.11 | angle of incidence, reflection | Disc 21-20 | Aim a beam of light at a mirror at the center of a disc, rotate the disc. |
| 6A10.15 | laser and flat mirror | PIRA 500 | |
| 6A10.15 | laser and flat mirror | 6A10.15 | Shine a laser at a flat mirror on the lecture bench and use chalk dust to make the beam visible. |
| 6A10.18 | microwave reflection | PIRA 1000 | |
| 6A10.18 | microwave reflection | Disc 21-18 | Reflect a microwave beam off a metal plate into a receiver. |
| 6A10.20 | diffuse and specular reflection | PIRA 500 | |
| 6A10.20 | smooth and rough surface reflection | Ob-1 | Chalk dust sprinkled on a mirror blurs the image of a light reflecting onto the wall. |
| 6A10.20 | diffuse/specular reflection | Disc 21-19 | Show a beam on light reflecting off a mirror on an optics board. Replace the mirror with a sheet of paper. |
| 6A10.21 | diffuse reflection | 34-1.5 | Hold frosted glass at various angles in a beam of light focused on the wall. |
| 6A10.22 | aluminum foil reflection | PIRA 1000 | |
| 6A10.22 | aluminum foil reflection | 6A10.22 | Same as AJP 50(5),473. |
| 6A10.22 | scattering with aluminum foil | AJP 50(5),473 | Reflect light off a sheet of aluminum foil, then crumple and flatten it to create many facets. |
| 6A10.24 | reflection - normal and grazing | L-19 | Place
a lantern and piece of clear glass midway between two walls and show the
difference between reflecting by grazing on one wall and normal reflection
on the other. Also compare glass and silvered at grazing and normal incidence. |
| 6A10.25 | ripple tank reflection | PIRA 1000 | |
| 6A10.30 | corner cube | PIRA 500 | |
| 6A10.30 | corner reflector | Ob-6 | Three reflectors are placed on the inside corner of a box. |
| 6A10.30 | corner cube | L-21 | Two mirrors at 90 degrees or three mirrors mutually perpendicular. |
| 6A10.30 | corner reflection | Disc 21-24 | Look at your image in a corner cube. |
| 6A10.31 | large corner cube | PIRA 1000 | |
| 6A10.31 | large corner cube | 6A10.31 | |
| 6A10.31 | large corner cube | AJP 50(8),765 | Use large mirror wall tiles (12 in sq) to make a large corner reflector. |
| 6A10.33 | signaling mirror | 34-1.2 | A plane mirror with a small unsilvered area in the center is used for signaling. Diagram. |
| 6A10.35 | perversion | Ob-9 | Perversion can be demonstrated in public with a license plate and a plane mirror. Sorry, no inversion. |
| 6A10.37 | parity reversal in a mirror | PIRA 1000 | |
| 6A10.37 | parity reversal in a mirror | Disc 21-22 | View a Cartesian coordinate system in a mirror. |
| 6A10.40 | angled mirrors | PIRA 500 | |
| 6A10.40 | angled mirrors | 6A10.40 | |
| 6A10.40 | mirrors at an angle | Ob-4 | A candle placed between angled mirrors forms multiple images. |
| 6A10.40 | angled mirrors | 34-1.1 | Two hinged front surface mirrors show multiple images of an object placed between them. Diagram. |
| 6A10.40 | hinged mirrors | Disc 21-23 | Mirrors angled at 60 degrees give one object and five images arranged in a hexagon. |
| 6A10.41 | hinged mirrors | L-20 | Place a light
between two mirrors hinged together and standing vertically. Place a sheet
of clear glass between the mirrors forming an isosceles triangle. A few more
variations are given. |
| 6A10.42 | hinged mirrors, kaleidoscopes | O-1c | Hinged mirrors are shown at 60 and 30 degrees along with 60 and 30 degree kaleidoscopes. |
| 6A10.43 | angled mirrors - laser spots | AJP 58(6),565 | The
hyperboloid of revolution formed by the successive reflections of a laser
beam on two plane angled mirrors is explained by a simple geometrical method. |
| 6A10.44 | hinged mirrors theory | AJP 30(5),380 | The theorem of Rosendahl is applied to the hinged mirror problem to predict the number of images formed at various inclinations. |
| 6A10.45 | parallel mirrors | PIRA 500 | |
| 6A10.45 | parallel mirrors | Ob-5 | An infinite number of images are formed with a candle between parallel images. |
| 6A10.45 | barbershop mirrors | Disc 21-25 | Place objects between parallel mirrors and view them over one of the mirrors. |
| 6A10.50 | full view mirror | PIRA 500 | |
| 6A10.50 | full view mirror | 6A10.50 | |
| 6A10.50 | height of a mirror for full view | Ob-3 | Shades are pulled up from the bottom and down from the top covering a mirror until a person can just see their entire height. |
| 6A10.51 | large plane mirror | O-1d | A three foot plane mirror is used to show all of a six foot person. |
| 6A10.60 | cold candle | PIRA 500 | |
| 6A10.60 | cold candle | 6A10.60 | |
| 6A10.60 | candle in a glass of water | Ob-2 | A candle in front of a plate glass forms an image in a glass of water behind. |
| 6A10.60 | plane mirror | L-18 | A candle is placed
in front of a sheet of glass and a beaker of water an equal distance behind.
Place the entire apparatus on a rotating table. |
| 6A10.60 | location of image | Disc 21-21 | Place a sheet of glass between a burning candle and a glass of water so the image of the candle appears in the glass. |
| 6A10.65 | half silvered mirror box | PIRA 1000 | |
| 6A10.65 | Mirror Box | Disc 21-26 | Two people
look into opposite ends of a box containing a half silvered mirror in the
center. As the light on one end is dimmed, the light on the other brightens,
causing metamorphosis. |
| 6A10.76 | sawblade optics | TPT 28(7),468 | Keep the sawblade perpendicular by lining up the reflection of the board in the sawblade. |