part a and b

M Review | Consta ~ PartA The lead architect on the design team of a new skyscraper decides that the outer surface of the building's windows need to be coated with a reflective layer in order to lower airconditioning costs. MgF'y Is chosen for the reflective layer, which has a refractive index mn = 1.38. Express your answer in nanometers to three significant figures. Assume that the refractive index of the window glass is 1.5 and that the reflective coating should work optimally at the peak of the sunlight spectrum, 500 nm ES we 4 OC) For related problem-solving tips and strategies, you may want to view t= nm a Video Tutor Solution of grease as a thin film. Ey Request Answer * PatB What is the minimum thickness of film that is needed? 'You may want to review (Page) - Suppose the layer needs to be thicker than 200 mm in order to hold up to the weather. What other thicknesses would also work? Give only the three thinnest ones. Enter your answers in nanometers, separated with commas, to three significant figures. mo 5 oF Ole? tg, ty, tg = mm Ey Request Answer Provide Feedback Ne