Timeline for Does ordinary refraction exert a couple on the refracting medium?
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| Apr 10, 2014 at 18:12 | comment | added | Andrew Palfreyman | I'm assuming zero reflectivity, but vanishingly small will do. In any case, I don't see how this solves the problem. There is a displacement perpendicular to the surface normal along the bottom surface between entry and exit points, and so the two forces are equal, opposite and parallel, not colinear. How is that not a couple? | |
| Apr 10, 2014 at 15:07 | history | answered | garyp | CC BY-SA 3.0 |