3 中 oft touch mousse... To Do Assignments... MyPoints Survey Zo.. Macmillan Learning.. what is the gene en... A light beam is traveling through an unknown substance. When it strikes a boundary between that substance and the air (1), the angle of reflection is 34.0" and the angle of refraction is 45.0". What is the index of refraction n of the substance? 1.23 Incorrect 12 O D Search 4/1 47 % 5 6 & 7 18 4+ f9 144 8 9 10 fyl ►11 A 12 + insert

3 中 oft touch mousse... To Do Assignments... MyPoints Survey Zo.. Macmillan Learning.. what is the gene en... A light beam is traveling through an unknown substance. When it strikes a boundary between that substance and the air (1), the angle of reflection is 34.0" and the angle of refraction is 45.0". What is the index of refraction n of the substance? 1.23 Incorrect 12 O D Search 4/1 47 % 5 6 & 7 18 4+ f9 144 8 9 10 fyl ►11 A 12 + insert

Inquiry into Physics

8th Edition

ISBN:9781337515863

Author:Ostdiek

Publisher:Ostdiek

Chapter9: Optics

Section: Chapter Questions

Problem 49Q

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(Indicates a review question, which means it requires only a basic understanding of the material to answer. Questions without this designation typically involve integrating or extending the concepts presented thus far.) . A light ray in air enters a block of clear plastic as shown in Figure 9.84. Which of the numbered paths represents the correct one for the ra in the plastic? Justify your choice by appealing to the appropriate law(s) of optics.
What is the speed of light in air? In crown glass?
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Physics 4. A ray of light strikes a surface and is reflected such that the angle between the incident ray and the reflected ray is 30°. What is the angle of incidence? (b) What is the angle of reflection? 5. A material has an index of refraction of 1.5. What is the speed of light in this material?
Light travels from air into a fluid which has a refractive index of 1.55. The angle of incidence is 41o.a)Calculate sin of the angle of incidence. Give your answer to 3 decimal places and use it to this accuracy in any subsequent calculations, if needed. Hint: make sure your calculator is on degrees (not radians or grads). b)Calculate the angle of refraction (in degrees). Take the index of refraction of air as 1.Make sure you do all working to at least 3 decimal places. Give your answer to 1 decimal place. c)Light travels out of the fluid into air at the critical angle. What is the angle of refraction (in degrees)? Give your answer as a whole number. d)Calculate the critical angle (in degrees). Give your answer to 1 decimal place.
A point source of light is submerged below the surface of a pond and emits light in all directions. When viewed from above the water surface, directly over the light, the water surface area illuminated forms a circle. What is the depth of the light, below the water surface, to cause a circle of light on the surface with a radius of 2 m? What limitsthe size of this circle of light? The Take nwater = 1.33.
The speed of light c in a vacuum is 2.997 × 10% m/s. Given that the index of refraction in fresh water is 1.333, what is the speed of light Vfresh water in fresh water? Ufresh water m/s Given that the index of refraction in diamond is 2.419, what is the speed of light vdiamond in diamond? Udiamond m/s
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