Physics Laboratory Manual
4th Edition
ISBN: 9781133950639
Author: David Loyd
Publisher: Cengage Learning
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Chapter 40, Problem 5PLA
50639-40-5PLA AID: 1825 | 11/04/2020
To determine
The angles
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Read the following problem and solve the following questions. Show your complete solutions legibly and concisely in the space provided.
A light is traveling from air into an optic fiber having an index of refraction of 1.44.
a. Which direction should the light bend?
b. Given a 22 degree angle of incidence on the end of the fiber, what is the angle of refraction inside the fiber?
c. Make a sketch of the path of life as the media changes.
A narrow beam of light is incident on the left side of the prism shown in the figure below. The prism is a right triangle, with two of its angles measuring 45°.
A) The transmitted beam that exits the hypotenuse of the prism makes an angle of
? = 17.5° with the direction of the incident beam. What is the index of refraction of the prism?
B) In part (a), we assumed the beam was monochromatic. Consider instead the case where the beam was composed of white light. Because the index of refraction differs for different wavelengths, the white light would be dispersed into constituent colors. Assume the index of refraction for blue wavelengths is 1.01n and for red wavelengths it is 0.99n, where n is the index of refraction found in part (a). What is the angular spread (in degrees) between red and blue light exiting the prism?
Using a ruler or any straight edge and a scale of your choice and applying the steps in ray diagramming, complete the ray diagramming for Cases 2 to 5 in order to prove the correctness of the image characteristics of the objects in the specified positions as indicated in Table 1.
Chapter 40 Solutions
Physics Laboratory Manual
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- A light is to be placed above the center of a circular area of radius a. What height gives the best illumination on a circular walk surrounding the area? (When light from a point source strikes a surface obliquely, the intensity of illumination is I = (k sinA)/d^2 where A is the angle of incidence and d the distance from the source.) [Show your answer on the nearest hundredths]arrow_forwardDo Part B Generate a two ray tracing for one_of the 7cases.... EITHER mirror OR lens. AND ... includethe algebra to support your image location andsize.arrow_forwardPlease refer to part (c). Here, the triangle is isosceles, and alpha (the angle at the top of the triangular prism) is 39.9 degrees. What is theta (the angle below the horizontal that the ray makes emerging from the prism on the right)?arrow_forward
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- Thank you so much in advance. The diagram shows a lens with a positive focal length 11 cm. (a) If we place an object at a distance of 25 cm from the lens, where will the resulting image position on the other side of the lens be found? Include units in answer, (b) With the object at 25 cm from the lens, what will the magnification be for the image at this position? (c) If we place an object at a distance of 4 cm from the lens, where will the resulting image position be found? (d) With the object at 4 cm from the lens, what will the magnification be for the image at this position?arrow_forwardplease exaplain first part and step by step with clear handwritting pleasearrow_forwardIf the incident ray at point A is at the critical angle between mediums 2 and 3, does the ray incident at point B refract out of medium 2 into 3? If so, what is the (i) angle of refraction at point B? If not, what is the reflected angle at point B? (ii) What is the initial angle θ at point C?arrow_forward
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