Recall the situation from tutorial, in which light of frequency
The cross−sectional side view diagram at right extends the ray diagram that you drew in tutorial. It shows the incident ray and several sets of rays resulting from transmission and reflection at the first (left) and second (right) boundaries. The ray that results from the second reflection from the second (right) boundary is not shown.
For the remainder of this problem, assume that the light is incident from the left side of the film at essentially normal incidence.
- For the two rays that pass through the second boundary and into the air, what are the three smallest film thicknesses for which these rays would:
- Constructively interfere? Explain.
- Destructively interfere? Explain.
Want to see the full answer?
Check out a sample textbook solutionChapter 25 Solutions
Tutorials in Introductory Physics
Additional Science Textbook Solutions
Introduction to Electrodynamics
College Physics (10th Edition)
University Physics Volume 1
Essential University Physics: Volume 1 (3rd Edition)
University Physics (14th Edition)
The Cosmic Perspective Fundamentals (2nd Edition)
- For the next two questions, as seen in the image below, two materials A (na = 1.25) and B ( 1.75) are stacked (ray angles for illustration only). A B 1. Monochromatic light hits A at an angle theta, -30° from the normal. What is the angle of refraction of light that gets to come out from B? A. None (total internal reflection occurs at B) B. 60° C. 30° D. 15° 2. Suppose we want to induce the total internal reflection of light in this system by changing either material A, B or adding another material below material B. Which of the following changes would induce total internal reflection? A. Adding a layer of material A below material B. B. Replacing material A with material B. C. Removing material B. D. None of the above.arrow_forwardA beam of light traveling through air is incident up a transparent material at an angle of 0;=78.02 degrees as shown in the image below. If the angle of the transmitted ray (0t) as measured with respect to the direction normal to the surface of the material (dashed line in the image below) is 32.46 degrees, what is the index of refraction of of the material? Normal Reflected Incident ray ray Transmitted ray Note: Do not explicitly include units in your answer (the index of refraction is a dimensionless quantity, anyway). Enter only a number. If you do enter a unit, your answer will be counted wrong.arrow_forwardUnpolarized light is sent through a system of polarizers. The initial system is made up of two fixed polarizers at 90° shown in the figure. Is it possible to add one more polarizer and increase the intensity of light exiting the system? If not explain why not. If so, explain where you would put the additional polarizer and what would be the best anglearrow_forward
- The diagram below shows a person sitting in a chair while looking at a white sheet of paper that she is holding in her hand. There is a black barrier blocking light from the lamp from directly going to the book. The ceiling is a large white, non-shiny surface. A student drew the following light ray diagram to try to show how the light behaves at the different surfaces and how the person sees the book. Is this light ray diagram correctly drawn? If not, what is wrong with it?arrow_forwardProblem #4 The luminous flux on a table is 400 Lumens. The dimensions of the table are 100cm by 200cm.arrow_forwardA laser is incident on the side of an acrylic (n > 1) prism as shown in the picture below. The angle is larger is than the critical angle for the acrylic-air boundary. Note that not only some of the paths light may follow are drawn in this picture. Boundary #2 What will happen to the light at each boundary? Boundary #1: Light will refract and reflect Boundary #2: Light will refract and reflect Boundary #1: Light will refract and reflect Boundary #2: Light will only reflect Boundary #1: Light will only refract Boundary #2: Light will only refract Boundary #1: Light will only refract Boundary #2: Light will only reflect Boundary #1: Light will refract and reflect Boundary #2: Light will only refract Ꮎ Boundary #1arrow_forward
- The isosbestic point is defined by the intersection of all spectra at the same point where; A. ABS = &,bC*EbC, B. ABS = &,bC, +E,bC, %3D C. &bC =8,bC, D. & =E2 Select answer Save O developed by nextech EGOarrow_forwardThe diagram on the right shows a light ray entering a rectangular block of unknown material and subsequently exiting the block on the opposite side. The path of the light ray through the block is shown. Determine the index of refraction of the unknown material. Preform two calculations - one for each boundary - using Snell's law and the measured angles.arrow_forwardregion i is representing that When a light ray encounters a dense-rare boundary at an angle greater than the critical angle, then O a. the refracted ray will travel into the second medium O b. the light ray will reflect back into the first medium O c. the refracted ray will travel along the normal O d. the refracted ray will travel along the boundary If the temperature of the surface of the object is 657.1 K, then calculate its value in °F. DELLarrow_forward
- Suppose that waves travel 1.5x as fast within the triangular object than in the surrounding medium. Continue the incident ray until it emerges through the triangular medium on the other side. Please draw the surface normal, the weak reflection, as well as the "would have" line for each interface as shown in class. and label all angles. Incident ray Faster, medium II Medium Iarrow_forwardAs shown in the figure below, light is incident at an angle 01 from a material with n1 = 1.2 to a material with n2 = 1.6. n3 n2 What is the smallest value of 01 so that there is total internal reflection at the interface between n2 and n3? (Assume n3 = 1.0) Express your answer in degrees, to at least one digit after the decimal point.arrow_forwardCase 1: Object distance d0= infinity. The figure below shows light rays coming from an object located at infinity, in front of a convex lens. Extend the 9 incident rays to the lens, and draw the transmitted rays in the correct direction. Use the figure, DO NOT substitute it with any other figure. Use the line to trace the 9 rays. Don't forget to place the arrow on each transmitted beam. Label each ray with its corresponding name: parallel ray, central ray, and focal ray. Image characteristics for Case 1: Object distance d0= infinity. Select those that apply: a) Reduced b) Real c) Erect d) Inverted e) Equal size f) Increased g) Virtual h) No image is formedarrow_forward
- College PhysicsPhysicsISBN:9781305952300Author:Raymond A. Serway, Chris VuillePublisher:Cengage LearningUniversity Physics (14th Edition)PhysicsISBN:9780133969290Author:Hugh D. Young, Roger A. FreedmanPublisher:PEARSONIntroduction To Quantum MechanicsPhysicsISBN:9781107189638Author:Griffiths, David J., Schroeter, Darrell F.Publisher:Cambridge University Press
- Physics for Scientists and EngineersPhysicsISBN:9781337553278Author:Raymond A. Serway, John W. JewettPublisher:Cengage LearningLecture- Tutorials for Introductory AstronomyPhysicsISBN:9780321820464Author:Edward E. Prather, Tim P. Slater, Jeff P. Adams, Gina BrissendenPublisher:Addison-WesleyCollege Physics: A Strategic Approach (4th Editio...PhysicsISBN:9780134609034Author:Randall D. Knight (Professor Emeritus), Brian Jones, Stuart FieldPublisher:PEARSON