Humans walking in crowds tend to form orderly lanes. It’s something we do “without even knowing [why],” says Iker Zuriguel, a physicist at the University of Navarra in Spain. But sometimes, such as in ...
A light ray is traveling in a transparent material of refractive index 1.51 at an angle of incidence of 38 degrees and approaches a second material of refractive index 1.46. Solve for (a) the angle of ...
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