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March 2 Physics
1.Derive 2.Apathy 3.Anarchy 4.Illegible 5.Inadmissible 6.nonchalant
Objective: To analyze and conclude our lab Success criteria: Draw ray diagrams and verify the lens equation
Thin lens equation magnification equation 1 + 1 = 1. d o d i f M = - d i = h i.. d o h o
Lab: images formed by a converging lens
Find the focal length
Find image distances for 5 object positions
Is the lens equation valid?
Analysis #11 on a blank paper: –Draw ray diagrams for each position –Use 3 cm for the focal point #14 label each drawing –Spotlight –Copy camera –Magnifying glass –35mm camera –Slide projector
Out: Why did you use the light from the tree outside to find your focal length?
26.6 Lenses. Converging Lens Focal length of a converging lens is real and considered positive.
Optics or The Physics of forming images with a Convex Lens.
A. can be focused on a screen. B. can be projected on a wall.
Converging Lenses & Their Application Dan Li SUNY-Stony Brook 11/07/2002.
Converging lenses Diverging Lenses The Lens Equation We can make use of the fact that changing the focal length and position of the object we can change.
Thin Lenses. Two Types of Lenses Converging – Thicker in the middle than on the edges FOCAL LENGTH (+) POSITIVE Produces both real and virtual images.
Special Case – Ray Diagrams Honors Physics. What if the object is ON “f “ ? ff Principal axis f C If the object is ON the focal point, no image is produced.
Thin Lenses Chapter 15.
PHY 1371Dr. Jie Zou1 Chapter 36 Image Formation (Cont.)
Lenses Converging Lens Diverging Lens F F f f.
Today’s agenda: Death Rays. You must know when to run from Death Rays. Refraction at Spherical Surfaces. You must be able to calculate properties of images.
PHYSICS InClass by SSL Technologies with S. Lancione Exercise-53
02/06/2016 Lenses and Images LO: to be able to describe images formed by different types of lenses Starter: make a list of any items you can think of that.
Convex and Concave Lenses
Mirrors. Types of mirror There are two types of mirror Plane (flat) Curved Concave (curves in) Convex (curves out)
Chapter 30 Lenses. Lens – a lens is a transparent material that bends light rays depending on its shape Converging lens – a lens (top left) in which light.
Flat Lens (Window) n1n1 n2n2 Incident ray is displaced, but its direction is not changed. tt 11 11 If 1 is not large, and if t is small, the.
Learning Objective › Explain the relationship between the focal length, image distance, image size, and object distance for a convex lens. Success.
Special Case – Ray Diagrams AP Physics B. What if the object is ON “f “ ? ff Principal axis f C If the object is ON the focal point, no image is produced.
Geometric Optics Chapter Thin Lenses; Ray Tracing Parallel rays are brought to a focus by a converging lens (one that is thicker in the center.
Problem 1: Given the lens and the object, ray trace to find the image
Chapter 34: Thin Lenses 1 Now consider refraction through this piece of glass: optic axis This is called a “Double Convex Lens” converging light focal.
Ray Diagrams Noadswood Science, 2013.
Thin Lens Chapter Bending of Light Any transparent object that is curved with affect the path of light rays. Ex: o Glass bottle full of water will.
Review from last class – Complete in your notes. 1.A pinhole camera creates an image of a 37- meter-tall tree. If the image is 2.4 cm tall and inverted,
Revision of terminology and drawing a Ray diagram
LENSES. Lenses Lenses REFRACT light and are usually used to form IMAGES 2 types convexconcave bi-convex plano-concave plano-convex bi-concave.
2/8/16Oregon State University PH 212, Class #161 The Thin-Lens Equation The thin lens approximation holds for a lens whose thick- ness is small compared.
What happens to an incident ray that passes through the focal point of a concave mirror? An incident ray passing through the focal point is reflected so.
Physics Oct.24, 2014 Open to 5.2 Can you see the buck? (not the doe)
2/9/15 Oregon State University PH 212, Class #161 The Thin-Lens Equation The thin lens approximation holds for a lens whose thick- ness is small compared.
Convex Lens A convex lens curves outward; it has a thick center and thinner edges.
PH 103 Dr. Cecilia Vogel Lecture 7. Review Outline Lenses ray diagrams images thin lens equation Lenses application to camera, eye, and corrective.
Chapter 33 Lenses and Optical Instruments The Thin Lens Equation; Magnification Example 33-2: Image formed by converging lens. What are (a) the.
Using Lenses. Aims Be able to describe the behavior of light as it passes through a convex lens. Know how to measure the focal length of a convex lens.
LIGHT THIN LENSES Name: ________________ Class: _________________
Images formed by lenses. Convex (converging) lenses, f>0.
PH 103 Dr. Cecilia Vogel Lecture 6 NO QUIZDOM TODAY.
How Does a Lens Work? Light travels slower in the lens material than in the air around it. This means a linear light wave will be bent by the lens due.
Subject: PHYSICS Topic: Convex lens Light refraction in Prism Ray diagram of a convex lens Ray diagram illustrating graphical construction rules of a.
Unit 3: Light. Symbols used: ◦ Ho- height of the object ◦ Hi- height of the image ◦ m-magnification ◦ do (or p)- distance between object and vertex.
1 2016/6/13 Ch.12 Linear Magnification ( 放大率 ) magnification m = height of image (image size) height of object (object size)
Copyright © 2009 Pearson Education, Inc. Lecture 2 – Geometrical Optics b) Thin Lenses.
1 of 41© Boardworks Ltd 2009 Where does all the bad light end up? In a prism…
Today 2/6 Lenses--Ray Diagrams and Math Lab: Any Questions? HW Questions? Start reading chapter on Lenses HW:2/6 Text Problem Ch 26 #55.
PH 103 Dr. Cecilia Vogel Lecture 16. Review Outline Lenses ray diagrams images thin lens equation Lenses application to camera, eye, and corrective.
Unit 5, Chapter 15 Integrated Science. Unit Five: Light and Optics 15.1 Seeing an Image 15.2 The Human Eye 15.3 Optical Technology Chapter 15 Optics.
LENSES AND THE FORMATION OF IMAGES. Lenses We see the world through lenses… Eye glasses = lenses Contacts = lenses Magnifying glasses = lenses Microscopes.
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