Photoelectric Effect: Determining Planck’s Constant Friday‚ Section 006 TA: Yilikal Ayino John Greavu with Daniel Erickson & Kevin Haar January 31‚ 2014 PreLab Up until the eighteenth century‚ particle theories of light dominated physics‚ primarily due to the work of Isaac Newton. Thomas Young’s 1805 famous double-slit experiment‚ which showed that light mimics a wave‚ extinguished some of these early views. However‚ in 1887‚ Heinrich Hertz – who is‚ coincidentally‚ perhaps better known for definitively
Premium Electromagnetic radiation Photon Quantum mechanics
CONTENTS CONTENTS 264 Principles of Power System CHAPTER Underground Cables 11.1 11.2 11.3 11.4 11.5 11.6 11.7 11.8 11.9 11.10 11.11 11.12 11.13 11.14 11.15 11.16 11.17 11.18 11.19 11.20 11.21 11.22 11.23 Underground Cables Construction of Cables Insulating Materials for Cables Classification of Cables Cables for 3-Phase Service Laying of Underground Cables Insulation Resistance of a Single-Core Cable Capacitance of a Single-Core Cable Dielectric
Premium Orders of magnitude Electricity Electrical resistance
Chapter 1: Biology- The study of life A Hierarchy of Organization 1. Molecules 2. Organelle 3. Cell 4. Tissue 5. Organ 6. Organism Emergent Properties- Novel properties that emerge as each step up the hierarchy of biological order is taken. Reductionism- Reducing complex systems to simpler components that are more manageable to study. Cells- The lowest level of structure capable of performing all the activities of life‚ all organisms are composed of cells which are the basic units of structure
Premium Atom Covalent bond Chemical bond
Chapter 1 The History of Electric Transformer INTRODUCTION: Transformer is a device that transfers electric energy from one circuit to another‚ usually with a change in voltage. Transformers work only with a varying electric current‚ such as alternating current (AC). Transformers are important in the distribution of electric power. They raise the voltage of the electricity generated at a power plant to the high levels needed to transmit the electricity efficiently. Other transformers
Premium Transformer Electricity
Semester 1 Revision The list below will assist you to check your understanding of the main concepts studied in Semester One. Work carefully through the list below and make sure that you can do what the statement says. This is not a course summary. It is a checklist for you to use to identify areas where you need extra work and a guide for your study. Macroscopic properties of matter I can | | | Classification
Premium Atom Chemistry Electron
is called A. filtration B. adsorption C. impaction D. condensation 8. A principle of particulate matter collection and sampling in which particles are through a device‚ but deflected from their original path is called A. filtration. B. electrostatic precipitation. C. gravitational settling. D. impaction. 9. The most commonly used non-continuous
Premium Air pollution Ozone Air Quality Index
and stable • high melting point • good insulators • do not absorb light • larger cohesive energies (~10 eV) than in ionic crystals Bonding in solids: Metallic solids Atoms in a metallic crystal are held together by the effective attractive electrostatic interaction mediated by the conduction (valence) electron gas (metallic bonding) Properties of metallic crystals: • smaller
Premium Solid Electron Metal
AIR POLLUTION The main reason of Air Pollution is burning of fossils fuels in large quantities accent decades has resulted in gradual increase in carbon dioxide content in the atmosphere. It is estimated that content of carbon dioxide has increased by 25% during the last 100 years. Carbon dioxide allows in solution to pass through but absorbs out going terrestrial radiation increase of Carbon dioxide in the atmosphere has the effect of increasing the temp of atmosphere. It is estimated that global
Premium Oxygen Air pollution Pollution
Joseph Yoon Chapter 11 Fossil Fuels: combustible deposit found with Earth’s curst * Composed of remnants of prehistoric organisms that existed millions of years ago * Deposits are usually no older than 400 million years of age * Nonrenewable resources: finite‚ limited supply * Types: coal‚ oil natural gas (methane) * Lignite (lowest quality) * Subbituminous coal * Bituminous coal (sedimentary rock) * Anthracite (highest quality- metamorphic rock) Coal Reserves
Premium Coal
Hanna Crawley 10 October 2014 Engl 2305 Analysis Short Paper “The Gun Joke” by Jamaal May is a poem that became popular recently due to a shooting of a young man that caused national attention. This poem is about how in society today we hear stories on the news about people getting shot by guns and how its something that is too common in our world now. Throughout the poem‚ May uses examples that people can relate to and understand.‚ repetition of certain words and phrases‚ along with a chilling
Premium Comedy Boy Person