Reversibility of rays. Ray 1 of light in medium a (see Figure 23.51) strikes the surface at 51.0° with respect to the normal, (a) Find the angle of refraction of ray 1 with respect to the normal in medium b. (b) Now repeat the problem with the light ray’s direction reversed. The ray now approaches from below at the angle than you calculated in part (a). Find the angle of refraction in medium a. (c) Do the refraction angles change when tl ray is reversed?
Figure 23.51
Problem 38
Want to see the full answer?
Check out a sample textbook solutionChapter 23 Solutions
College Physics (10th Edition)
Additional Science Textbook Solutions
Glencoe Physical Science 2012 Student Edition (Glencoe Science) (McGraw-Hill Education)
Physics for Scientists and Engineers with Modern Physics
Conceptual Integrated Science
Essential University Physics (3rd Edition)
The Cosmic Perspective Fundamentals (2nd Edition)
University Physics with Modern Physics (14th Edition)
- 14. A ray of light strikes the midpoint of one face of an equiangular (60°−60°−60°) glass prism (n = 1.5) at an angle of incidence of 30°. (a) Trace the path of the light ray through the glass and find the angles of incidence and refraction at each surface. (b) If a small fraction of light is also reflected at each surface, what are the angles of reflection at the surfaces?arrow_forwardUnreasonable results Light traveling from water to a gemstone strikes the surface at an angle of 80.00 and has an angle of refraction of 15.2°. (a) What is the speed of light in the gemstone? (b) What is unreasonable about this result? (c) Which assumptions are unreasonable or inconsistent?arrow_forwardA light ray navels from vacuum into a slab of material with index of refraction n1 at incident angle with respect to the surface. It subsequently passes into a second slab of material with index of refraction n2 before passing back into vacuum again. The surfaces of the different materials are all parallel to one another. As the light exits the second slab, what can be said of the final angle that the outgoing light makes with the normal? (a) (b) (c) = (d) The angle depends on the magnitudes of n1 and n2. (e) The angle depends on the wavelength of the light.arrow_forward
- Unreasonable results Suppose light travels from water to another substance, with an angle of incidence of 10.0and an angle of refraction of 14.9 . (a) What is the index of refraction of the other substance? (b) What is unreasonable about this result? (c) Which assumptions are unreasonable or inconsistent?arrow_forwardUnpolarized light in vacuum is incident onto a sheet of glass with index of refraction n. The reflected and refracted rays are perpendicular to each other. Find the angle of incidence. This angle is called Brewsters angle or the polarizing angle. In this situation, the reflected light is linearly polarized, with its electric field restricted to be perpendicular to the plane containing the rays and the normal.arrow_forwardA ray of light is incident at an angle 30.0 on a plane slab of flint glass surrounded by water. (a) Find the refraction angle. (b) Suppose the index of refraction of the surrounding medium can be adjusted, but the incident angle of the light remains the same. As the index of refraction of the medium approaches that of the glass, what happens to the refraction angle? (c) What happens to the refraction angle when the mediums index of refraction exceeds that of the glass?arrow_forward
- You can determine the index of refraction of a substance by determining its critical angle. (a) What is the index of refraction of a substance that has a critical angle of 68.4° when submerged in water? What Is the substance, based on Table 1.1? (b) What would the critical angle be for this substance in air?arrow_forwardLight traveling in a medium of index of refraction n1 is incident on another medium having an index of refraction n2. Under which of the following conditions can total internal reflection occur at the interface of the two media? (a) The indices of refraction have the relation n2 n1. (b) The indices of refraction have the relation n1 n2. (c) Light travels slower in the second medium than in the first. (d) The angle of incidence is less than the critical angle. (e) The angle of incidence must equal the angle of refraction.arrow_forwardLight in a vacuum is incident on a transparent glass slab. The angle of incidence is 35.2º. The slab is then immersed in a pool of liquid. When the angle of incidence for the light striking the slab is 20.9°, the angle of refraction for the light entering the slab is the same as when the slab was in a vacuum. What is the index of refraction of the liquid? Number i Unitsarrow_forward
- Problem 85. A light ray is incident upon a transparent parallel plate of index of refraction 1.52 at an angle of 40° as shown below. A) Sketch the path of the ray through the plate and exiting the plate. B) Find the angle of refraction in the plate at the entry into the plate. C) Find the angle of refraction in the air at the exit from the plate. Air Plate Air 40 1arrow_forwardA ray of light is incident on the air - ice boundary at an angle of 40° with the normal. Part of the light is reflected and part is refracted. (Refractive index of ice = nice= 1.309)a) Draw the ray diagram for the given boundary. b) Find the angle of reflection.c) Find the angle of refractionarrow_forwardA ray of light strikes the midpoint of one face of an equiangular (60°-60°-60°) glass prism (n = 1.5) at an angle of incidence of 41.8°. (a) Trace the path of the light ray through the glass, and find the angles of incidence and refraction at each surface. First surface: incidence Recheck.the.problem statement to find the angle of incidence. ° refraction US Enter a number. Ofind the angle of refraction from the angle of incidence. ° Second surface: incidence Orefraction = (b) If a small fraction of light is also reflected at each surface, find the angles of reflection at the surfaces. (first surface) reflection = ° (second surface) reflectionarrow_forward
- University Physics Volume 3PhysicsISBN:9781938168185Author:William Moebs, Jeff SannyPublisher:OpenStaxCollege PhysicsPhysicsISBN:9781305952300Author:Raymond A. Serway, Chris VuillePublisher:Cengage LearningPrinciples of Physics: A Calculus-Based TextPhysicsISBN:9781133104261Author:Raymond A. Serway, John W. JewettPublisher:Cengage Learning
- Physics for Scientists and EngineersPhysicsISBN:9781337553278Author:Raymond A. Serway, John W. JewettPublisher:Cengage LearningPhysics for Scientists and Engineers with Modern ...PhysicsISBN:9781337553292Author:Raymond A. Serway, John W. JewettPublisher:Cengage LearningCollege PhysicsPhysicsISBN:9781285737027Author:Raymond A. Serway, Chris VuillePublisher:Cengage Learning