"Bragg Angle"@en . "\"Bragg Angle\" describes the condition for a plane wave to be diffracted from a family of lattice planes, the angle between the wavevector of the incident plane wave, and the lattice planes." . . "\\(2d\\sin{\\vartheta} = n\\lambda \\)"^^ . . . . . "\\(\\vartheta\\)"^^ . . . "http://reference.iucr.org/dictionary/Bragg_angle"^^ . . . . . . . "http://www.iso.org/iso/catalogue_detail?csnumber=31897"^^ . . . .