Show that when the incident angle is the Brewster angle the sum of the reflected angle and refracted angle is 7/2.
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Q: ) An unpolarized laser beam enters water at the polarizing an Figure 1 on page 2. Its corresponding…
A: Given:Refractive index, ng = 1.45 nw =1.33
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Q: Normal 60 n. (water) = 1.33, ny (glass) = 1.52 Calculate the angle between the refracted ray and the…
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- The critical angle for an air-glass interface is 29.4°. When a light ray in air is incident on the interface, the reflected ray is 100% polarized. What is the angle of refraction of that ray in degrees? (numerical answer only with 3 sig figs please)A ray in plastic has a critical angle of 44.4 deg when trying to enter air. What is the index of refraction for the plastic? (Water n = 1.33, Air n = 1.00) %3D (No Unit)The critical angle for an air-glass interface is 29.2°. When a light ray in air is incident on the interface, the reflected ray is 100% polarized. What is the angle of refraction of that ray in degrees? (numerical answer only with 3 sig figs please)
- The index of refraction of a glass plate is 1.41. What is the Brewster's angle when the plate is in the following substances? (a) air _____ °(b) water ______ °(a) How far from some grains of red sand must you be so that you are just at the limit of resolving the grains if your pupil diameter is 3mm, the grains are spherical with radius 50μm, and the light from the gains has wavelength 650nm? (b) If the grains were blue and the light from them had wavelength 400nm instead, would the answer to (a) be larger or smaller? (c) Now let's say you are a superhero and you had x-ray vision, so you could see light that had a wavelength of 0.1nm instead. Now how far could you be from the gains of sand to just be at the limit to distinguish one grain of sand from another? (with the same pupil diameter). (assume you're on the beach and there's plenty of light from many frequencies bouncing off the sand, and when you turn on your x-ray vision you aren't bothered by all the other frequencies around).A plane wavefront is incident on a concave mirror of radius of curvature R. The radius of the refracted wavefront will be: (a) 2R (b) R (c) R 2 (d) 4
- Compute the minimum deviation angle of a refracting prism of index of refraction 1.7 if the apex of the prism is 70 degrees.Fig. 1 shows a laser beam incident on a piece of wet filter paper placed on a glass plate whose 'refractive indexglass plate whose refractive index is to be measured (the rays are represented in the figure). Explain what happens anddeduce an expression for ni in terms of R and d. Consider the refractive index of air to be 1.Note: Remember that all light that falls on a reflecting surface always has part of the light reflected, being refracted or not.refracted or not. Moreover, θc in the figure represents the critical angle at which we have the condition of total internal reflectionA block of glass that has an index of refraction of 1.55 is completely immersed in water (n = 1.33). 1) What is the critical angle for light traveling from the glass to the water? (Express to 3 sig fig)