© 2010 Pearson Education, Inc. PowerPoint ® Lectures for College Physics: A Strategic Approach, Second Edition Chapter 19 Optical Instruments

© 2010 Pearson Education, Inc. Slide Optical Instruments

© 2010 Pearson Education, Inc. Slide 19-3

© 2010 Pearson Education, Inc. Slide 19-4

© 2010 Pearson Education, Inc. Slide 19-5

© 2010 Pearson Education, Inc. The Camera Slide 19-14

© 2010 Pearson Education, Inc. Focusing a Camera Slide 19-15

© 2010 Pearson Education, Inc. A digital image is made up of millions of pixels. Digital Cameras A CCD chip records the digital image. Slide 19-16

© 2010 Pearson Education, Inc. The Human Eye Slide 19-17

© 2010 Pearson Education, Inc. Focusing and Accommodation Slide 19-18

© 2010 Pearson Education, Inc. Refractive Power Slide 19-19

© 2010 Pearson Education, Inc. Hyperopia Slide 19-20

© 2010 Pearson Education, Inc. Myopia Slide 19-21

© 2010 Pearson Education, Inc. Apparent Size Slide 19-22

© 2010 Pearson Education, Inc. The Magnifier Largest angular size without a magnifier is With a magnifier, the angular size is The magnification is thus Slide 19-23

© 2010 Pearson Education, Inc. The Microscope Slide 19-24

© 2010 Pearson Education, Inc. The Microscope Slide 19-25

© 2010 Pearson Education, Inc. The Telescope Slide 19-26

© 2010 Pearson Education, Inc. Color and Dispersion Slide 19-27

© 2010 Pearson Education, Inc. Rainbows Slide 19-28

© 2010 Pearson Education, Inc. Lens Aberrations: Spherical Aberration The Hubble space telescope originally suffered from spherical aberration. Slide 19-29

© 2010 Pearson Education, Inc. Chromatic Aberration Slide 19-30

© 2010 Pearson Education, Inc. Resolution and the Wave Nature of Light Slide 19-31

© 2010 Pearson Education, Inc. Two objects are resolvable if their angular separation is greater than Rayleigh’s Criterion Slide 19-32

© 2010 Pearson Education, Inc. The Resolution of a Microscope Slide 19-33

© 2010 Pearson Education, Inc. Optical and Electron Micrographs of e. coli Slide 19-34