Concept explainers
Total Internal Reflection When light passes from a more-dense to a less-dense medium−from glass to air, for example−the angle of refraction predicted by Snell’s Law (see Exercise 57) can be 90° or larger. In this case the light beam is actually reflected back into the denser medium. This phenomenon, called total internal reflection, is the principle behind fiber optics. Set θ2 = 90° in Snell’s Law, and solve for θ1 to determine the critical angle of incidence at which total internal reflection begins to occur when light passes from glass to air. (Note that the index of refraction from glass to air is the reciprocal of the index from air to glass.)
Trending nowThis is a popular solution!
Chapter 7 Solutions
Precalculus: Mathematics for Calculus (Standalone Book)
Additional Math Textbook Solutions
Elementary Statistics (13th Edition)
Math in Our World
Precalculus
Elementary Statistics
Calculus for Business, Economics, Life Sciences, and Social Sciences (14th Edition)
Elementary Algebra For College Students (10th Edition)
- A point that moves on a coordinate line is in simple when its distance d from the origin at time t is given by either d=asintord=acost.arrow_forwardA two-stage gear train consists of four gears meshed together (Figure 10). The second and third gears are attached, so that they share the same angular velocity (2=4). Find a formula giving the angular velocity of the fourth gear, 2, in terms of 1 and the values of n1,n2,n3andn4.arrow_forwardDetermine the height of gage blocks required to set the angles in Exercises 7 and 8 on a 10" sine plate. a. 4420' b. 020' c. 226' d. 1951' e. 2531'arrow_forward
- Solve the following exercises based on Principles 18 through 21, although an exercise may require the application of two or more of any of the principles. Where necessary, round linear answers in inches to 3 decimal places and millimeters to 2 decimal places. Round angular answers in decimal degrees to 2 decimal places and degrees and minutes to the nearest minute. Points A, B, C, D, and E are tangent points. a. If AB=46.00 and DE=66.00 , find 1. b. If AB=53.00 and DE=70.00 , find 1.arrow_forwardSolve the following exercises based on Principles 18 through 21, although an exercise may require the application oftwo or more of any of the principles. Where necessary, round linear answers in inches to 3 decimal places and millimeters to 2 decimal places. Round angular answers in decimal degrees to 2 decimal places and degrees and minutes to the nearest minute. a. If AB=7218 and CD=5024 find: (1) 1 (2) 2 (3) 3 b. If CD=4315 and AD=10605 , find: (1) 1 (2) 2 (3) 3arrow_forward
- Mathematics For Machine TechnologyAdvanced MathISBN:9781337798310Author:Peterson, John.Publisher:Cengage Learning,Trigonometry (MindTap Course List)TrigonometryISBN:9781305652224Author:Charles P. McKeague, Mark D. TurnerPublisher:Cengage LearningAlgebra & Trigonometry with Analytic GeometryAlgebraISBN:9781133382119Author:SwokowskiPublisher:Cengage
- Elementary Geometry For College Students, 7eGeometryISBN:9781337614085Author:Alexander, Daniel C.; Koeberlein, Geralyn M.Publisher:Cengage,Elementary Geometry for College StudentsGeometryISBN:9781285195698Author:Daniel C. Alexander, Geralyn M. KoeberleinPublisher:Cengage LearningTrigonometry (MindTap Course List)TrigonometryISBN:9781337278461Author:Ron LarsonPublisher:Cengage Learning