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 93GP

Landing on an Aircraft Carrier The Fresnel Lens Optical Landing System (FLOLS) used to ensure safe landings on aircraft carriers consists of a series of Fresnel lenses of different colors. Each lens focuses light in a different, specific direction, and hence which light a pilot sees on approach determines whether the plane is above, below, or on the proper landing path. The basic idea behind a Fresnel lens, which has the same optical properties as an ordinary lens is shown in Figure 27-30. Suppose an object is 17.1 cm behind a Fresnel lens, and that the corresponding image is a distance d₁ = d in front of the lens. If the object is moved to a distance of 12.0 cm behind the lens, the image distance doubles to d = 2d. In the FLOLS, it is desired to have the image of the lightbulb at infinity. What object distance will give this result for this particular lens?

Chapter 27, Problem 93GP, Landing on an Aircraft Carrier The Fresnel Lens Optical Landing System (FLOLS) used to ensure safe

A lens causes light to refract at its surface; therefore, the interior glass can be removed without changing its optical properties. This produces a Fresnel lens, which is much lighter than the original lens. (Problem 93)

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Chapter 27, Problem 92GP

Chapter 27, Problem 94GP

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