Diffraction Gratings - A Level Physics
6:16
YouTubePhysics Online
Diffraction Gratings - A Level Physics
This video introduces and explains diffraction gratings for A Level Physics. If you shine light, or other types of EM radiation, through a series of small slits, the waves interfere causing constructive and destructive interference at certain points. We can then use this method to calculate the wavelength of light. It is also why DVDs and CDs ...
384.5K viewsFeb 2, 2015
Diffraction Grating Experiment
Neon Flicker Flame Skull Bulb: no flame but instead emission spectra from excited neon gas due to the presence of a discharge electric current. A dual axis diffraction grating creates a dramatic effect and shows that neon only emits light in specific wavelengths of reds and yellows at AC house voltages. 💀 Happy Halloween! 🎃 ➡️ Follow the link in my profile for info on where to get similar bulbs and other amazing items featured here on @physicsfun #neon #emissionspectra #excitation #physics #ph
0:29
Neon Flicker Flame Skull Bulb: no flame but instead emission spectra from excited neon gas due to the presence of a discharge electric current. A dual axis diffraction grating creates a dramatic effect and shows that neon only emits light in specific wavelengths of reds and yellows at AC house voltages. 💀 Happy Halloween! 🎃 ➡️ Follow the link in my profile for info on where to get similar bulbs and other amazing items featured here on @physicsfun #neon #emissionspectra #excitation #physics #ph
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