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50. II) A thin layer of CaF2 (n = 1.41) is deposited onto glass, with n = 1.52. The layer is viewed in reflected light at 45° using a white light source (Fig. 37-28). For what layer thicknesses will light of 640 nm show constructive interference? Are there possible thick- nesses for which light of 480 nm interferes constructively as well? 2 d A FIGURE 37-28 Problem 50. 1.2, 51. I) Light is perpendicularly incident on an oil film with n = suspended in air. (a) If green light (λ = 550 nm) is reflected back most strongly, what is the minimum thickness of the film? (b) If n were increased, would the maximally reflected light have a longer or shorter A? (c) If the film were suspended on the inter- face between water (n = 1.33) and air, what would be seen?

50. II) A thin layer of CaF2 (n = 1.41) is deposited onto glass, with n = 1.52. The layer is viewed in reflected light at 45° using a white light source (Fig. 37-28). For what layer thicknesses will light of 640 nm show constructive interference? Are there possible thick- nesses for which light of 480 nm interferes constructively as well? 2 d A FIGURE 37-28 Problem 50. 1.2, 51. I) Light is perpendicularly incident on an oil film with n = suspended in air. (a) If green light (λ = 550 nm) is reflected back most strongly, what is the minimum thickness of the film? (b) If n were increased, would the maximally reflected light have a longer or shorter A? (c) If the film were suspended on the inter- face between water (n = 1.33) and air, what would be seen?

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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50. II) A thin layer of CaF2 (n = 1.41) is deposited onto glass, with n = 1.52. The layer is viewed in reflected light at 45° using a white light source (Fig. 37-28). For what layer thicknesses will light of 640 nm show constructive interference? Are there possible thick- nesses for which light of 480 nm interferes constructively as well? 2 d A FIGURE 37-28 Problem 50. 1.2, 51. I) Light is perpendicularly incident on an oil film with n = suspended in air. (a) If green light (λ = 550 nm) is reflected back most strongly, what is the minimum thickness of the film? (b) If n were increased, would the maximally reflected light have a longer or shorter A? (c) If the film were suspended on the inter- face between water (n = 1.33) and air, what would be seen?
Transcribed Image Text:50. II) A thin layer of CaF2 (n = 1.41) is deposited onto glass, with n = 1.52. The layer is viewed in reflected light at 45° using a white light source (Fig. 37-28). For what layer thicknesses will light of 640 nm show constructive interference? Are there possible thick- nesses for which light of 480 nm interferes constructively as well? 2 d A FIGURE 37-28 Problem 50. 1.2, 51. I) Light is perpendicularly incident on an oil film with n = suspended in air. (a) If green light (λ = 550 nm) is reflected back most strongly, what is the minimum thickness of the film? (b) If n were increased, would the maximally reflected light have a longer or shorter A? (c) If the film were suspended on the inter- face between water (n = 1.33) and air, what would be seen?
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