BLOSSOMS - The Stroboscopic Effect





The interactive transcript could not be loaded.



Rating is available when the video has been rented.
This feature is not available right now. Please try again later.
Published on Feb 25, 2010

Visit the MIT BLOSSOMS website at http://blossoms.mit.edu/

Video Summary: This module is about a particular effect of the frequency, which is the stroboscopic effect. The lesson discusses and demonstrates low frequency phenomena - less than 16 Hz - that can usually be observed clearly by the human eye, as well as high frequency phenomena - more than 25 Hz - that are difficult for the human eye to catch. This video also explores and demonstrates how high frequency phenomena can be observed by freezing the fast moving phenomenon using a device called a stroboscope. The only prerequisite for this video is that students understand the definition of the frequency of a periodic phenomenon. The video segments take up 17 minutes, so the total length of the lesson would depend on the amount of time spent during the in-class breaks. This lesson could certainly be completed during a 50-60-minute class period. Materials needed for this lesson include: a piece of paper or cardboard; a pen or a pencil; adhesive tape; a toothpick or a small stick; and a notebook with blank pages. (If available: a function generator, an AC power supply, connecting wires, a LED, a small lamp, a fan or ventilator (with blades), a flashing stroboscope) Examples of in-class activities between segments include discussions of frequency phenomena and the building of simple devices that demonstrate those phenomena.

See the original video and more on MIT TechTV - http://techtv.mit.edu/videos/4380

  • Category

  • License

    • Standard YouTube License


When autoplay is enabled, a suggested video will automatically play next.

Up next

to add this to Watch Later

Add to

Loading playlists...