Physics Of A Microwave Oven - 1480 Words

Physics of a Microwave Southeast Missouri State University PH106-01 Instructor: Dr. Jian Peng Submitted By: Natalie Gladbach The microwave, also known as a microwave oven, was seemingly a breakthrough in technology in the early 1940’s that allowed whole meals to be prepared in minutes. The idea of the microwave was created by a man named Percy Spencer. Mr. Spencer developed the plans based on radar technology breakthroughs from World War II. The microwave was originally named the Radarange and first hit store fronts in 1946. The Radarange did not sell to well as they were rather large and bulky for regular home use. In 1955 a company known as Tappan created a new version but even that version was too big and expensive. In 1967 the Amana Corporation introduced the first countertop microwave oven and since the microwave has become the most used kitchen appliance in the world. The Microwave oven is known to heat or reheat previously cooked foods by exposing the food to microwave radiation in the electromagnetic spectrum. This activates polar molecules in the food to rotat e and produce thermal energy. This is a process known as dielectric heating. Consequently, the food is heated quickly and efficiently. Food that is spread out and has higher water content will cook faster and more thoroughly than food which is denser. In order for food to be cooked in a microwave oven, microwaves must pass through the food. Thus, the name microwave. Microwaves are electromagneticShow MoreRelatedThe Microwave Oven Is More Than Just For Cooking Foods1355 Words   |  6 PagesThe microwave oven is much more than just for cooking foods. This paper will briefly discuss the history and technologies as byproduct since the microwaves oven’s accidental invention by Percy Spencer while briefly illuminating some of the subsequent advancements and future concepts or applications of the microwave use in navigational, medicinal and in wireless communications. The Microwave oven has become such an integral part of our lives that we hardly notice its presence. The microwave quietlyRead MorePhysics of Microwaves Essay981 Words   |  4 Pages Physics of Microwaves Microwaves are used in our everyday lives but most most people dont realize that physics plays a large and important part in the simple household item. Whenever we heat our food we are oblivious to the forces that cause such a thing to occur and we dont fully understand what happens in front of our eyes and how our food really gets heated in such a simple and efficient way. The first thing people need to understand is that microwaves are actually electromagnetic wavesRead MoreEffects Of Microwave Radiation On Plant Growth1598 Words   |  7 PagesEffects of Microwave Radiation on Plant Growth It is a known fact that immense levels of radiation influence not only the ways organisms function, but also the way they grow and live their lives overall. However, when the intensity of radiation is decreased to the point where it is safe to consume foods exposed to it, a question is raised. Can microwave radiation affect the growth and functions of plants? There are many factors that go into the discussion of this question such as what is radiationRead MoreConduction, Convection, and Radiation1525 Words   |  7 PagesConduction, Convection, and Radiation By: Spencer Smith Physics 2010 – Online Dr. Stone 30 April 2014 Physics is a controlling factor in our vast universe. It literally controls how our reality operates and how our existence came to be in this universe, it actually it what made our universe. When you think about physics you probably think about friction and forces but it is a much broader idea. Physics is what controls how the atoms that make up everything work with each other to formRead MorePlain And Simple, We Need Heat1599 Words   |  7 Pages2012). Energy is always transferred from an object with higher temperature to one with lower temperature, and this transference of energy as heat will continue until both of the objects have reached the same temperature. An easy example that most physics books and professors talk about is the ice and the water. The ice melts in the water (transferring energy) until the water has reached the same temperature. On the other hand, there are three common ways of heat transfer: conduction, convection, andRead MoreWhat Factors Affect Am and F m Radio Reception?2078 Words   |  9 Pagesfrequency band. Aim To test if - a TV; a microwave oven in use; a mobile phone making a phone call; a TV remote control; water surrounding the aerial; a thin-metal box; an incandescent light bulb; a fluorescent light bulb – causes interference with AM and FM radio reception. Hypothesis I think that a TV will affect AM reception, but not FM reception, because TV’s will give off electrical pulses which will interfere with AM radio, but not FM. I think that a microwave oven being used next to a radio will affectRead MoreThe Sun Was The Main One Essay963 Words   |  4 Pagescooking at home, has used oven mitts before. Emily knew by wearing oven mitts, you can touch hot objects without getting burnt. 10. The interviewee’s response with examples of energy conversion into heat was concrete. 1. Emily: â€Å"Heat is hot air. Heat can make us warm. Heat can help us cook. It can come from the sun† Emily does not know heat is a form of energy. â€Å"Heat is the flow of energy from a high temperature location to a low temperature location† (The Physics Classroom, 2015). 2. Emily:Read MoreOne application of magnetic fields in household appliances.3425 Words   |  14 PagesOne thing that uses magnetic fields is the electric motor, which is used in many household appliances, such as electric fans, microwave ovens, and other small appliances. In this instance the electric motor has an electric current, giving it also this magnetic field. An electric motor converts electricity into mechanical motion. Most electric motors work by electromagnetism, but motors based on electrostatic forces also exist. The overarching concept is that a force is generated when a current-carryingRead MoreWireless Technologies1097 Words   |  5 Pagesproducts has increased as new applications for the technology are realized. One application for wireless technology at the U.S. Naval Academy is to use the wireless capability to enhance classroom instruction. Currently the Electrical Engineering and Physics Departments have wireless access points and wireless laptops/desktops available for classroom instruction. The purpose of this report is to provide the technical research necessary to aid decision makers in determining which wireless technologiesRead MoreSolution for the Case Philips Versus Matsushita1423 Words   |  6 PagesAnton, a salesman and manager. In 1900 it became the 3rd largest producer of light-bulb in Europe and in 1912 Philips was incorporated. The company didn’t opt for diversification and was the leader in industrial research; it had physics and chemistry labs which were basically meant for the company’s production process. The Lab developed a tungsten filament bulb which was a great success. It came with diverse markets in Japan, Australia, Canada, Brazil, Russia