MerryNine 2.5" Optical Glass Triangular Prism for Physics Teaching Light Spectrum, Photography, Rainbow Maker, Suncatchers, 60mm with Gift Box (2.5"-60mm)
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Product review & video
(mechanical sound effects) - [Voiceover] In this video,
we're going to look at the relationship between
white light and color by recreating a portion of
Newton's prism experiment, as presented in a letter to
the Royal Society in 1671. But first, a little bit of background. At the time of his experiment, the prevailing theory was that white light was a color of light,
and that other colors could be created by modifying
the white light, somehow. For instance, this red piece of plastic would be described as
changing this white light into red light. They also had knowledge
about how light behaved at the boundary between two materials. For instance, a planar boundary, they knew that the ratio
of the sine of the angle on each side of the boundary was fixed for a given set of materials. We now know this was
a form of Snell's Law, where the ratio of the sines of the angles is equal to the inver
