5th Edition

ISBN: 9780134051802

Author: Walker

Publisher: PEARSON

Concept explainers

Optics is the study of light in the field of physics. It refers to the study and properties of light. Optical phenomena can be classified into three categories: ray optics, wave optics, and quantum optics. Geometrical optics, also known as ray optics, is…

Converging Lens

Converging lens, also known as a convex lens, is thinner at the upper and lower edges and thicker at the center. The edges are curved outwards. This lens can converge a beam of parallel rays of light that is coming from outside and focus it on a point on…

Plano-Convex Lens

To understand the topic well we will first break down the name of the topic, ‘Plano Convex lens’ into three separate words and look at them individually.

Lateral Magnification

In very simple terms, the same object can be viewed in enlarged versions of itself, which we call magnification. To rephrase, magnification is the ability to enlarge the image of an object without physically altering its dimensions and structure. This pr…

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Textbook Question

Chapter 27, Problem 74PCE

Jason has a 25-power telescope whose objective lens has a focal length of 120 cm. To make his sister appear smaller than normal, he turns the telescope around and looks through the objective lens. What is the angular magnification of his sister when viewed throught the “wrong” end of the telescope?

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Chapter 27, Problem 73PCE

Chapter 27, Problem 75PCE

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A stargazer has an astronomical telescope with an objective whose focal length is 180 cm and an eyepiece whose focal length is 1.20 cm. He wants to increase the angular magnifi cation of a galaxyunder view by replacing the telescope’s eyepiece. Once the eyepiece is replaced, the barrel of the telescope must be adjusted to bring the galaxy back into focus. If the barrel can only be shortened by 0.50 cm from its current length, what is the best angular magnifi cation the stargazer will be able to achieve?

A stargazer has an astronomical telescope with an objectivewhose focal length is 180 cm and an eyepiece whose focal length is1.20 cm. He wants to increase the angular magnification of a galaxyunder view by replacing the telescope’s eyepiece. Once the eyepiece isreplaced, the barrel of the telescope must be adjusted to bring the galaxyback into focus. If the barrel can only be shortened by 0.50 cm from itscurrent length, what is the best angular magnification the stargazer willbe able to achieve?

4. (b) You find two positive lenses fi=5.0 cm and f2 =30 cm from the storage room. How would you arrangefor them to construct a telescope? What is the magnification of your telescope? Is the image upright orinverted?

Chapter 27 Solutions

Physics (5th Edition)

Ch. 27.1 - If the f -number on a camera is increased does the...Ch. 27.2 - Prob. 2EYU Ch. 27.3 - A magnifying glass is held over a ruled piece of...Ch. 27.4 - Rank the following microscopes in order of...Ch. 27.5 - In a typical telescope, is foppose greater than,...Ch. 27.6 - One advantage of reflecting telescopes over...Ch. 27 - Prob. 1CQ Ch. 27 - Prob. 2CQ Ch. 27 - If your near-point distance is N, how close can...Ch. 27 - When you open your eyes underwater, everything...

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