Young's Experiment

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Did you know that light behaves as a wave and has a wavelength? That's right, it does. In fact, the wavelength of the light that the human eye detects is less than one-millionth of a meter in length. That's pretty small. And amazingly enough, scientists can make a few simple measurements and calculate its wavelength. All that is needed is a laser, a slide with a couple of closely-spaced slits, and a screen. Don't have the materials handy? That's OK because we have them on loan at our Physics Interactive titled Young's Experiment. So tap on that link and let's get started.