In this task you will be given a text passage from a trivia quiz. You should choose the category this question belongs to from these categories: History, Science, Social Science, Fine Arts, Literature. You can only choose one category, so if in doubt, please choose the closest match.

Q: The Stratton-Chu model of this phenomenon attempts to improve on earlier scalar models such as the Rayleigh-Sommerfeld theory. The equivalence of complementary arrangements in producing this phenomenon is described by Babinets principle. A simple scalar theory of this phenomenon makes use of an integral named for Kirchhoff and Fresnel, and a simple pictorial model of this phenomenon is given by Huygens principle of wave propagation. FTP name this behavior observed in electrons by Davisson and Germer, the bending of waves as they pass obstacles.

A: Science
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Q: A late work from this movement done entirely in shades of brown is Mechano-Dancer, by Vilmos Huszar. A house from this movement, designed by the maker of the Red and Black Chair, was commission by Mrs. Schroder-Schrader. The best-known member of this group broke away over an argument about the use of diagonal lines with Theo von Doesburg. Also known as neoplasticism, for 10 points, Piet Mondrian was key figure in what Dutch artistic movement

A: Fine Arts
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Q: The version of this process known as the "cumuliform" type acts vertically in the atmosphere to produce dramatic weather effects. Its two major versions are governed by the dimensionless Grashof and Peclet numbers, and both major types also depend on the Prandtl number. The natural version depends on the tendency of fluids to expand when heated, in contrast to the forced version. FTP, what is this process in which heat is transferred by the movement of a fluid, the counterpart of radiation and conduction

A:
Science
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