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A soap fim index of refraction 1.33 is surrounded on both sides by air When white ight shines nearly porpendicularly on the fim you see bright interference colours of wavelength-639 nm in the reflected light What is the pesond smallest possible value for the thickness of the film? Answer Choose. Check

A soap fim index of refraction 1.33 is surrounded on both sides by air When white ight shines nearly porpendicularly on the fim you see bright interference colours of wavelength-639 nm in the reflected light What is the pesond smallest possible value for the thickness of the film? Answer Choose. Check

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A soap film (index of refraction 1.33) is surrounded on both sides by air When white Sight shines ncarly perpendicularly on the film, you see bright iterference colours of wavelength - 639 nm in the reflected light. What is the second smallest possible value for the thickness of the film? Answer: Chonse. Check A thin film (n2) is sandwiched between two other transparent media with indices of refraction ni and na respectively. Monachramatic light af wavelength A (in air) is normaly incident upon the material as shawn in the diagram In this case, assume that na > n - ng. For which film-thicknessles) will constructive interference of reflected light occur? Caution: There may (or may not) be more than ane correct answer. To get any marks all the correct answers and no incarrect anes must be selected. n. thin Select all that apply O zero (Le, negligible film thicknessi Check A thin Sim (n2) is sandwiched between two transparent modia with indices of refraction ny and ng respectively. Monachramatic light af wavelength A (in air) is normally incident upan the material as shown in the diagram. In this case, assume that na > n, > ng. For which film thickness/es) will constructiive interference occur for light which is reflected? Caution: There may (or may not) be mare than one correct answer To get any marks for this question all the correct and no incarrect answers must be chosen. thin Select all that apply O zero (Le, negligible film thickness) Check Two glass microscope slides, af length 10 cm, are in cantact at ane end and separated by a shoet of paper at the other end which creates a wedge-shaped film of air. The thickness of the paper ist- B0 um, and the glass has index af refraction n- 1.5. Light with wavelength 0.403 um shines vertically down on the slides. in the resulting interference pattem, what is the distance separating successive dark fringes when viewed from abave? 10 cm Answer: Chocse. Check
Transcribed Image Text:A soap film (index of refraction 1.33) is surrounded on both sides by air When white Sight shines ncarly perpendicularly on the film, you see bright iterference colours of wavelength - 639 nm in the reflected light. What is the second smallest possible value for the thickness of the film? Answer: Chonse. Check A thin film (n2) is sandwiched between two other transparent media with indices of refraction ni and na respectively. Monachramatic light af wavelength A (in air) is normaly incident upon the material as shawn in the diagram In this case, assume that na > n - ng. For which film-thicknessles) will constructive interference of reflected light occur? Caution: There may (or may not) be more than ane correct answer. To get any marks all the correct answers and no incarrect anes must be selected. n. thin Select all that apply O zero (Le, negligible film thicknessi Check A thin Sim (n2) is sandwiched between two transparent modia with indices of refraction ny and ng respectively. Monachramatic light af wavelength A (in air) is normally incident upan the material as shown in the diagram. In this case, assume that na > n, > ng. For which film thickness/es) will constructiive interference occur for light which is reflected? Caution: There may (or may not) be mare than one correct answer To get any marks for this question all the correct and no incarrect answers must be chosen. thin Select all that apply O zero (Le, negligible film thickness) Check Two glass microscope slides, af length 10 cm, are in cantact at ane end and separated by a shoet of paper at the other end which creates a wedge-shaped film of air. The thickness of the paper ist- B0 um, and the glass has index af refraction n- 1.5. Light with wavelength 0.403 um shines vertically down on the slides. in the resulting interference pattem, what is the distance separating successive dark fringes when viewed from abave? 10 cm Answer: Chocse. Check
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