modWibis/view.php?id 2974358 Print calculator Periodic Table estion 4 of 18 Sapl

Question

modWibis/view.php?id 2974358 Print calculator Periodic Table estion 4 of 18 Sapling Learning As you may have learned when studying the properties of thermal energy, building contractors ofen install double-glazed windows to prevent therma energy Theat" from enteringMexiting the building. Although effective as such windows present interesting optical effects In the figure, a double-glazed window comprises two identical panesof glass (n, 1.46) separated by an gap. the light encounters the glass at an angle of 40.00 with respect to the glass, find the shin in path as the light (Use na 1.00) Imm 22.0 mm 22.0 mm glass Previous oreck Answer Next

Explanation / Answer

here angle i =90-40 = 50 degree

by snells law, sin i = n sin r

                        r = arcsin(sin i/n)

                       = arcsin(sin 50 degree/1.46)

                     = 31.647 degree

lateral displacement x= t sin(i-r)/cos r

                            = 2*22* sin 18.353 degree / cos 31.647 degree

                 = 16.27 mm answer

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