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Why is optical reflectance dependent on wavelength?

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter22: Reflection And Refraction Of Light

Section: Chapter Questions

Problem 21P: A man shines a flashlight from a boat into the water, illuminating a rock as in Figure P22.21. What...

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Dispersion of White Light

Snell’s law is a formula that gives a relation between the angle of incidence and angle of refraction and is given as:

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1. Why is optical reflectance dependent on wavelength?

2. How is optical reflectance dependent on the angle of incidence?

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7. Consider light incident on a boundary between two materials like the figure below. Several scenarios are listed in the table. A B C D E F a. For which scenarios (A-F) below is total internal reflection possible? b. For the scenarios that are possible rank them based on the minimum angle at which total internal reflection occurs. Material 1 (n1) Air (1.00) Water (1.33) Diamond (2.42) Air (1.00) Benzene (1.50) Diamond (2.42) Material 2 (n2) Water (1.33) Air (1.00) Air (1.00) Quartz (1.46) Water (1.33) Water (1.33) n1 112
1. A ray of light is incident on a piece of glass at an angle of 45.0°. If the angle of refraction is 25.0°, find a. the refractive index and b. the critical angle. C. Solve (a) and (b) graphically 2. A hollow glass cell is made of thin glass in the form of an equiconcave lens. The radii of the two surfaces are 1.650 cm, and the distance between the two vertices is 1.850 cm. When sealed airtight, this cell is submerged in water of index 1.3330. Calculate a. the focal lengths of each surface and b. the power of each surface. 3. Three lenses with focal lengths of +8.40, -4.60, and +6.20 cm, respectively, are located one behind each other in this order and 2.0 cm apart. a. If parallel light is incident on the first lens, how far behind the third lens will the light be brought to a focus? b. Draw a scale diagram.
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