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. MgF2 is chosen for the reflective layer, which has a refractive index n=1 1.38. 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 mm. You may want to review (Page). For related problem-solving tips and strategies, you may want to view a Video Tutor Solution of grease as a thin film. ▾ Part A What is the minimum thickness of film that is needed? Express your answer in nanometers to three significant figures. t= Submit Part B Parts for Part Ndo for Part redo foart. A reor Part A keyboard shortcuts for Part A help for Part A 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. for Part B for Past Edo for Part redo folent 8 reor Part B keyboard shortcuts for Part 8 help for Part 8 1₂. ts. to= Submit Request Answer Request Answer nim

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Problem 26.17: Conserving energy. - Enhanced - with Solution
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. MgF2 is chosen for the reflective layer, which has a refractive index
n = 1.38. 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 mm.
You may want to review (Page)
For related problem-solving tips and strategies, you may want to view a Video Tutor
Solution of grease as a thin film.
▾ Part A
What is the minimum thickness of film that is needed?
Express your answer in nanometers to three significant figures.
Submit
▾ Part B
Parts for Fando for Part redo foart A refor Part A keyboard shortcuts for Part A help for Part A
t₂, ts. to =
Submit
Request Answer
Suppose the layer needs to be thicker than 200 nm 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.
for Past for Past do for Part redo foart Breor Part B keyboard shortcuts for Part B help for Part 8
nm
Request Answer
nm
Transcribed Image Text:Problem 26.17: Conserving energy. - Enhanced - with Solution 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. MgF2 is chosen for the reflective layer, which has a refractive index n = 1.38. 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 mm. You may want to review (Page) For related problem-solving tips and strategies, you may want to view a Video Tutor Solution of grease as a thin film. ▾ Part A What is the minimum thickness of film that is needed? Express your answer in nanometers to three significant figures. Submit ▾ Part B Parts for Fando for Part redo foart A refor Part A keyboard shortcuts for Part A help for Part A t₂, ts. to = Submit Request Answer Suppose the layer needs to be thicker than 200 nm 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. for Past for Past do for Part redo foart Breor Part B keyboard shortcuts for Part B help for Part 8 nm Request Answer nm
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