Spherical Refracting Surfaces

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Spherical Refracting Surfaces We now turn from images formed by reflections to images formed by refraction through surfaces of transparent materials, such as glass. We shall consider only spherical surfaces, with radius of curvature r and center of curvature C. The light  will be emitted by a point object 0 in a medium with index of refraction […]

Proof of Equation

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Proof of Equation We are now in a position to derive Eq. 35-6 (m = -i/p), the equation for the late magnification of an object reflected in a mirror. Consider ray 4 in .~t reflected at point c so that the incident and reflected rays make equal angles wi the axis of the mirror at that point. […]

Locating Images by DrawIng Rays

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Locating Images by DrawIng Rays           Figures 35-9a and b show an object 0 in front of a concave mirror. We can graph incalls locate the image of any off-axis point of the object by drawing a ray diagram with any two of four special rays through the point: 1. A ray that […]

Images from Spherical Mirrors

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Images from Spherical Mirrors With the focal point of a spherical mirror defined. we can find the relation between image distance i and object distance p for concave and convex spherical mirrors . We begin by pl ng the object 0 inside the local point of the concave mirror- that is. between the mirror and its focal point […]

Plane Mirrors

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Plane Mirrors A mirror is a surface that can reflect a beam of light in _one direction instead of either scattering it widely in many  directions or absorbing it. A shiny metal surface acts as a mirror; a concrete wall does not. In this section we examine the images  that a plane mirror (a flat reflecting […]

A Common Mirage

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A Common Mirage A common example of a virtual image is a pool of water that appears to lie on the road some distance ahead of you on a sunny day, but that you can never reach. The pool is a mirage (a type of illusion), formed by light rays coming from the low  section of the […]

Two Types of Image

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Two Types of Image For you to see, say, a penguin, your eye must intercept some of the light rays spreading from the penguin and then redirect them onto the retina at the rear of the eye. Your visual system, starting with the retina and ending with the visual cortex  at the rear of your brain, automatically […]

IMAGES

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IMAGES Edouar4Maoef.s.A}Bar’althea Folies..Belgerelhas,enchanted(“IViewefs’~MJI since it was painted in 1882. Part of tray her fatigue. Its appeal also depends on subtle distortions hid in the painting- distraction tha gives the multiply that serve the countitiy