Chapter 13, Geometrical Optics comes from the FHSST (Free High School Science Texts) Physics textbook. FHSST is a project that aims to provide free science and mathematics textbooks for Grades 10 to 12 science learners. The project was initiated by young South African scientists, and now brings together scientists from around the world who are willing to contribute to the writing of the books. Below is a complete Table of Contents for this chapter.

This resource is part of the FHSST Physics collection.

CONTENTS

Chapter 13: Geometrical Optics - Grade 11

13.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 327

13.2 Lenses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 327

13.2.1 Converging Lenses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 329

13.2.2 Diverging Lenses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 340

13.2.3 Summary of Image Properties . . . . . . . . . . . . . . . . . . . . . . . 343

13.3 The Human Eye . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 344

13.3.1 Structure of the Eye . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 345

13.3.2 Defects of Vision . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 346

13.4 Gravitational Lenses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 347

13.5 Telescopes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 347

13.5.1 Refracting Telescopes . . . . . . . . . . . . . . . . . . . . . . . . . . . . 347

13.5.2 Reflecting Telescopes . . . . . . . . . . . . . . . . . . . . . . . . . . . . 348

13.5.3 Southern African Large Telescope . . . . . . . . . . . . . . . . . . . . . 348

13.6 Microscopes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 349

13.7 Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 351

13.8 Exercises . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 352

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