Building contractors often install double-glazed windowsto prevent thermal energy (heat) from entering or exiting abuilding. In addition to being effective insulators, suchwindows present interesting optical effects.62.0 mmIn the figure, a double-glazed window consists of twoidenticalof glass (ngpanes1.54), each ygthick, separated by an air gap of ya = 49.6 mm.Use na = 1.00 for the index of refraction of air.=If light incident on the glass makes an angle of = 40.00°with respect to the glass, find the shift in path Ax as thelight enters the room.Ax =42.36Incorrectglassairglassmm

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