| DCS # | DEMONSTRATION | REFERENCE | ABSTRACT |
|---|
| 3B50.00 | Interference and Diffraction | | |
| 3B50.10 | ripple tank - single slit | PIRA 500 | |
| 3B50.10 | ripple tank - single slit | 3B50.10 | The film loop lasts 3:30. |
| 3B50.10 | ripple tank - single slit | Sm-4 | Diffraction from a plane wave passing through a single slit on the ripple tank. |
| 3B50.10 | single slit diffraction of water wav | Disc 09-21 | Ripple tank single slit diffraction with varying slit and wavelength. |
| 3B50.12 | ripple tank diffraction | S-144 | Use the ripple tank to show radiation patterns from different baffle, pipe, and horn configurations. |
| 3B50.20 | ripple tank - two point | PIRA 500 | |
| 3B50.20 | ripple tank - two point | 3B50.20 | Two point sources show interference. A plane wave through a slit shows diffraction. |
| 3B50.20 | ripple tank - double source | Sm-2 | A ripple tank with two point sources in phase. |
| 3B50.20 | ripple tank - two point | 18-6.3 | Waves produced by audio oscillators drive beads attached to earphone diaphragms. Picture. More. |
| 3B50.25 | ripple tank - double slit | PIRA 1000 | |
| 3B50.25 | ripple tank - double slit | Sm-5 | Interference from a plane wave passing through a double slit in the ripple tank. |
| 3B50.25 | double slit interference of water wa | Disc 09-22 | Ripple tank double slit interference with varying wavelength and slit separation. |
| 3B50.28 | mechanical double slit | AJP 34(2),170 | Lead shot drops from two hoppers and shows a single distribution with no interference pattern. |
| 3B50.30 | ripple tank - film loops | PIRA 500 | |
| 3B50.30 | ripple tank film loop | 3B50.30 | |
| 3B50.40 | Moire pattern transparencies | PIRA 200 | A double slit representation of Moire patterns from two sheets of semicircular ruled transparencies. |
| 3B50.40 | Morie pattern transparencies | 3B50.40 | Transparencies with identical circular patterns are placed on top of each other with a slight offset. |
| 3B50.40 | Moire pattern | 35-2.1 | Moire patterns from two sheets of semicircular ruled transparencies form a double slit representation. |
| 3B50.40 | Moire pattern | Disc 09-23 | Two transparencies of equally spaced circles on the overhead. |
| 3B50.42 | Morie pattern - complete treatment | AJP 32(4),247 | All you ever wanted to know about Morie patterns. |
| 3B50.43 | Moire' pattern | AJP 30(5),381 | Electronic chassis covers (with holes kind) are mounted several inches apart and the pattern changes as your viewing distance changes. |
| 3B50.43 | Moire pattern | 34-1.24 | Moire patterns with chassis boxes. Pictures. |
| 3B50.50 | double slit transparency | PIRA 1000 | |
| 3B50.50 | double slit transparency | 3B50.50 | Two strips of clear acetate with identical sine waves are pivoted from two points representing two slits to demonstrate constructive and destructive interference. |
| 3B50.51 | two ropes | 18-8.2 | Two ropes mounted on the wall 3' apart and painted with 6" black and white sections are stretched and crossed by the demonstrator to simulate constructive or destructive interference. |
| 3B50.55 | interference model | PIRA 1000 | |
| 3B50.55 | interference model | AJP 59(9),857 | Painted wave trains on wood lath are attached to magnets for use on a steel blackboard |
| 3B50.80 | ripple tank scattering | S-149 | A brass disc is used as an obstacle for various wavelength plane waves to show scattering. |