Wave Interference
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Topics
- Interference
- Double Slit
- Diffraction
- Waves
Description
Make waves with a dripping faucet, audio speaker, or laser! Add a second source to create an interference pattern. Put up a barrier to explore single-slit diffraction and double-slit interference.
Sample Learning Goals
- Make waves with water, sound, and light and see how they are related.
- Design an experiment to measure the speed of the wave.
- Create an interference pattern with two sources, and determine the ways to change the pattern.
- Find points of constructive and destructive interference by eye, and by using the detectors.
- Put up a barrier to see how the waves move through one or two slits. What sort of pattern do the slits create? How can you change this pattern?
- For light, predict the locations of the fringes that appear on the screen using d sin(θ) = mλ. Use the tape measure to verify your predictions.
Version 1.10
Teacher-Submitted Activities
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Authors | Level | Type | Subject |
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| Invention Lab_Wave Interference |
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Noah Podolefsky | UG-Intro HS |
Lab | Physics |
| Concept questions for Physics using PhET (Inquiry Based) |
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Trish Loeblein | UG-Intro HS |
MC | Physics |
| Wave unit (Inquiry Based) |
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Trish Loeblein | HS UG-Intro |
Lab Demo |
Physics |
| Wave demonstrations: water, sound, light (Inquiry Based) |
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Trish Loeblein | HS UG-Intro |
Demo CQs |
Physics |
| Wave clicker questions (Inquiry Based) |
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Trish Loeblein | UG-Intro HS |
CQs | Physics |
| Probability and Randomness Interactive Lecture |
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Sam McKagan, Kathy Perkins, Carl Wieman, and Noah Finkelstein | UG-Intro UG-Adv |
Demo CQs |
Physics |
| Wave Interference (PreAP) |
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Elyse Zimmer | HS | Lab | Physics | |
| Wave Interference with Water Waves (AP) |
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Elyse Zimmer | HS | Lab | Physics | |
| Water Waves in an Electric Sink |
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Dean Baird, Paul G. Hewitt | HS | Lab | Physics | |
| Light Behaves Like a Wave (sometimes...) |
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Nathan Quarderer | HS UG-Intro |
Lab | Physics Earth Science |
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| How do PhET simulations fit in my middle school program? |
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Sarah Borenstein | MS | Other | Chemistry Earth Science Physics Biology |
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| Alignment of PhET sims with NGSS |
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Trish Loeblein | HS | Other | Biology Chemistry Earth Science Physics |
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| PhET Sims Aligned to the Chemistry Curriculum |
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Julia Chamberlain | UG-Intro HS |
Other | Chemistry | |
| MS and HS TEK to Sim Alignment | Elyse Zimmer | HS MS |
Other | Biology Chemistry Physics |
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| Mapping of PhET and IBDP Physics | Jaya Ramchandani | HS | Other | Physics | ||
| Wave Interference and Path Difference | Simon Lees | HS | Lab HW Guided |
Physics | ||
| Wave Diffraction | Simon Lees | HS | HW Guided Lab |
Physics | ||
| Wave Interference & Fringe Patterns | Simon Lees | HS | Lab Guided HW |
Physics | ||
| Applications of Parametric Equations | Andrzej Sokolowski | HS UG-Intro |
HW | Mathematics | ||
| Wave Interference in 2D | Karen King, Cory Hofschild | HS | Lab | Physics | ||
| The Fringe of Optics | Dean Baird, Paul G. Hewitt | HS UG-Intro |
Lab | Physics | ||
| Virtual Ripple Tank | Craig Young | HS | Lab | Physics | ||
| Demonstrating the principle of phase plugs used in loudspeakers by Wave Interference | Csaba Horvath | Other | Demo | Physics | ||
| Oscilatory Motion | Mohamed AbdelWahab | UG-Intro | Other | Physics | ||
| CD's, DVD's & Optical Commmunication: Binary Coding and Diffraction Errors | Debra Krause Dandaneau | HS UG-Intro |
Other Lab |
Physics | ||
| Lab. Waves | Marsha Harden | HS | Lab | |||
| Ripple While You Work | David Moutoux | HS | HW Lab |
Physics | ||
| Light and Sound Wave Properties | Kristi Goodwin | MS | Lab | Physics | ||
| Wavey Simulation | Gretchen Swanson | HS | Lab | Physics | ||
| Diffraction | Stephan Graham | HS | Lab | Physics | ||
| percobaan interferensi dengan berbantuan program phet | rini wahyuningsih | HS | Lab | Physics |
| Design Team | Third-party Libraries | Thanks To |
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