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Physical Quantities and Units Lumen Learning Learning Objectives By the end of this section, you will be able to: - Perform unit conversions both in the SI and English units. - Explain the most common prefixes in the SI units and be able to write them in scientific notation. We define a physical quantity either by specifying how it is measured or by stating how it is calculated from other measurements. For example, we define distance and time by specifying methods for measuring them, whereas we

Chapters

• Accuracy, Precision, and Significant Figures
• Approximation
• What Is a Fluid?
• Cohesion and Adhesion in Liquids: Surface Tension and Capillary Action
• Pressures in the Body
• Kinetic Theory: Atomic and Molecular Explanation of Pressure and Temperature
• Phase Changes
• Introduction to Heat and Heat Transfer Methods
• Phase Change and Latent Heat
• Convection
• Introduction to the Second Law of Thermodynamics: Heat Engines and Their Efficie
• Carnot’s Perfect Heat Engine: The Second Law of Thermodynamics Restated
• Applications of Thermodynamics: Heat Pumps and Refrigerators
• Hooke’s Law: Stress and Strain Revisited
• Simple Harmonic Motion: A Special Periodic Motion
• The Simple Pendulum
• Uniform Circular Motion and Simple Harmonic Motion
• Forced Oscillations and Resonance
• Waves
• Superposition and Interference
• Energy in Waves: Intensity
• Primary Navigation
• Sound
• Speed of Sound, Frequency, and Wavelength
• Doppler Effect and Sonic Booms
• Sound Interference and Resonance: Standing Waves in Air Columns
• Maxwell’s Equations: Electromagnetic Waves Predicted and Observed
• The Law of Reflection
• Image Formation by Mirrors
• Physics of the Eye
• Vision Correction
• Microscopes
• The Wave Aspect of Light: Interference
• Young’s Double Slit Experiment
• Multiple Slit Diffraction
• Thin Film Interference
• Appendix A. Useful Information

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