Section Learning Objectives By the end of this section, you will be able to do the following: Section Key Terms aberration chromatic aberration concave lens converging lens convex lens diverging lens eyepiece objective ocular parfocal Characteristics of Lenses Lenses are…
Section Learning Objectives By the end of this section, you will be able to do the following: Section Key Terms angle of refraction corner reflector critical angle dispersion incident ray index of refraction refracted ray Snell’s law total internal reflection…
Section Learning Objectives By the end of this section, you will be able to do the following: Section Key Terms angle of incidence angle of reflection central axis concave mirror convex mirror diffused focal length focal point geometric optics law…
Figure 16.1 Flat, smooth surfaces reflect light to form mirror images. (credit: NASA Goddard Photo and Video, via Flickr) Chapter Outline 16.1 Reflection 16.2 Refraction 16.3 Lenses In another moment Alice was through the glass, and had jumped lightly down into the Looking-glass room. —Through…
The Electromagnetic Spectrum The Behavior of Electromagnetic Radiation
Section Learning Objectives By the end of this section, you will be able to do the following: Section Key Terms illuminance interference lumens luminous flux lux polarized light Types of Electromagnetic Wave Behavior In a vacuum, all electromagnetic radiation travels…
Section Learning Objectives By the end of this section, you will be able to do the following: Section Key Terms electric field electromagnetic radiation (EMR) magnetic field Maxwell’s equations The Electromagnetic Spectrum We generally take light for granted, but it…
Figure 15.1 Human eyes detect these orange sea goldie fish swimming over a coral reef in the blue waters of the Gulf of Eilat, in the Red Sea, using visible light. (credit: David Darom, Wikimedia Commons) Chapter Outline 15.1 The Electromagnetic Spectrum 15.2 The Behavior of…
The Genome Prokaryotes have a single loop chromosome, whereas eukaryotes have multiple, linear chromosomes surrounded by a nuclear membrane. Human somatic cells have 46 chromosomes consisting of two sets of 22 homologous chromosomes and a pair of nonhomologous sex chromosomes.…
Learning Objectives By the end of this section, you will be able to: Prokaryotes such as bacteria propagate by binary fission. For unicellular organisms, cell division is the only method to produce new individuals. In both prokaryotic and eukaryotic cells,…