Notice that we have not even mentioned any formulas or mathematical concepts. The distance from the center of the diffraction pattern to the dark spot you chose.Ī second to pause and enjoy a job well done! (Optional) The position of your black spot (more on this later). The wavelength of the laser (it's typically printed on the warning label on the laser itself). The distance from the hair to the wall where you see the diffraction pattern. The first thing you need to do is gather all the data for measuring the width of the hair. We will have time later to bury ourselves in the experiment's math and geometry, but if all we want is to measure stuff, we can just do that. Let's start with the easiest and most sensible option: using the hair diffraction calculator. Prefer watching rather than reading? Learn all you need with this video we made for you: So come on in, learn about the most famous experiment in physics, and how to measure your own hair with a laser pointer! and never have to do any calculation (if you don't want to). And that's why we've made this calculator at Omni you can calculate the width of your hair, learn about the physics behind it. The stories, the strange phenomena, and the super-cool uses of common items are what we all want and love. Let's be honest, the most boring part of science is doing the calculations. What if I told you that, with the hair diffraction calculator, you could use light to measure the width of one of your hairs? Sounds like magic? Maybe it requires a superpower? No, it's just physics! Nothing to be scared of, we have created a calculator, a video, and the best explanation on the web to help you understand what diffraction is and how to harvest the (super)power of lasers from the comfort of your own home!
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