33 sphericalLenses

33 sphericalLenses - Craig Ogilvie Craig Ogilvie 11 Summary of Lecture 32 Spherical mirrors concave convex Images are formed when light rays

Info iconThis preview shows pages 1–6. Sign up to view the full content.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Craig Ogilvie Craig Ogilvie 11 Summary of Lecture 32 § Spherical mirrors: concave, convex § Images are formed when light rays appear to originate from a common point 1. draw optics diagram, reflect about normal, find image 2. often convenient to use “principal” rays 3. calculate s’ image location with mirror equation s’ distance mirror to image f s s 1 ' 1 1 = + s s ' size object vertical size image vertical m- = = Craig Ogilvie Craig Ogilvie 22 Goals § Today – concepts, physics of spherical lenses § Friday – Problem-solving with spherical lenses Craig Ogilvie Craig Ogilvie 33 Spherical Lenses § Light refracts when it enters material of different index n converging lens , object at infinity forms a real image at F2 (observer sees rays appearing to originate from point F2) Striking!, the image is in front of the lens (Tue recitation) focal length: distance from lens, f > 0 Craig Ogilvie Craig Ogilvie 44 Spherical Lenses (II) diverging lens, object at infinity forms a virtual image at F2 (observer sees rays as if coming from point F2) focal length, f < 0 Craig Ogilvie Craig Ogilvie 55...
View Full Document

This note was uploaded on 09/20/2011 for the course PHYS 222 taught by Professor Johnson during the Spring '07 term at Iowa State.

Page1 / 19

33 sphericalLenses - Craig Ogilvie Craig Ogilvie 11 Summary of Lecture 32 Spherical mirrors concave convex Images are formed when light rays

This preview shows document pages 1 - 6. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online