The Stroboscope And How It Works - F-J's Physics - Video 126
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WARNING: CONTAINS FLASHING LIGHT IMAGES.
WARNING: CONTAINS FLASHING LIGHT IMAGES. Here we look at the stroboscope, its uses and dangers. A chance to understand why wheels sometimes appear to go backwards on some films too. (Note that: The highest frequency of flashes of light that 'freezes' the rotating object is the rotational frequency of the that object. If you think about it, lower frequencies will do the same but the object might, for example, be rotating twice for each flash!)
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Very many thanks, F-J
Please consider supporting my work by buying me a coffee at
https://www.buymeacoffee.com/francisj...
Very many thanks, F-J
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