Physics Essay Examples and Topics. Page 3

337 samples

Non-Inertial Reference Frame and Its Implication

As explained by the Einstein relativity concept, this form of motion does not fundamentally obey the provided laws of physics, instead, a fictitious force should be introduced in order for the motion to be determined [...]
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Albert Einstein: His Life and Impact on Science

No study of physics is complete without a reference to Albert Einstein and his general theory of relativity that revolutionized the notions of space and time and the fresh understanding of gravity.
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Quantum Mechanics: Determinants

After discovering that matter is made of small particles, scientists got the interest to study the characteristics of these small particles relative to the huge bodies that they constitute. The measure of energy in particles [...]
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Biologic Effects of Ultrasound in Healthcare Setting

The instrument performing the emission of the sound waves and the recording of their bouncing back is referred to as the transducer and the medical practitioner generally gently presses the transducer against the skin of [...]
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Physics: Superstring Theory

Superstring theory is one of the theories that offered or opened the door to clear many of the misgivings the scientists have regarding the universe.
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Renewable Energy Technologies

As for the construction decision and the way of harnessing the wave power, a variety of solutions has been proposed. Cheap and reliable desalinization technology such as one described in the Economist article could be [...]
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Laws of Physics and Bowling

The anatomical forces of the player are also a significant part of the game and have an effect on the ball's movement and whether it reaches and knocks the pins.
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Time Travel to the Past and Related Theories

To make time travel to the past happen, it is necessary to have access to a wormhole one end of which has to be pulled at the speed of light and then to be returned [...]
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The Solar Energy and Photovoltaic Effect

The key difference factor of the solar cells is the material and technology that is used. Photon behavior in a solar cell is defined by the materials used and the construction of the cell itself.
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Risk and Safety Management: Nuclear Life Cycle

The loops in the containment of a PWR normally transmit water at high temperatures and pressures; this justifies the constant monitoring and maintenance of these components done to minimize the degree of potential risks that [...]
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Radiation Protection Principles

According to the book by Pringle, radioactive substances are not only emitted by the power plants but also by the fossils in the process of decaying as well as during the process of combustion.
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Electrostatic Discharge: Term Definition

An ESD can be caused by either the direct contact of an electrostatic field or is induced by it. Due to this positive and negative charges become excess and when a conductive path comes in [...]
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Isaac Newton and His Life

The process of science is very successful in all areas of Endeavour of human being because it is open and ideas are exchanged freely with a lot of knowledge that is available to everyone.
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Physics: The Term Terminal Velocity

In physics, the term terminal velocity is that kind of velocity in which the force of drag of an object which is falling is equal to the weight of that object less the acting force [...]
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Magnetism and Magnetic Field

The magnetic field inside the material is the sum of the applied magnetic field and the magnetic field due to magnetization.
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Special Report: The Future of Physics

The author is excited about the experiment and provides a thorough understanding of the subject without the use of equations that makes the understanding of the activities easier for the general population.
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Projectile Motion: Definition and Purpose

This was done to understand the effect of the height on projectile motion. In another set of the experiment, the height was kept constant and velocity was varied to understand the effect of initial velocity [...]
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Benefits of Ionizing Radiation

Finally, ionizing radiation is used in PET where radioactive material is injected into the patient to track the metabolism activity and circulation of the brain.
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Critical Analysis of Photovoltaic Breakthrough Case

One of the important hires was Linda Choate, a Ph.D.in Physics from Stanford, who during earlier rotations chanced upon Frank Harlan's solar cell and was able to calculate and predict the maximum theoretical efficiency of [...]
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Physicist Ralph A. Alpher and His Big Bang Theory

Even after that, the man now firmly recognized as the pioneering architect of the Big Bang Theory for the origin of the universe was denied recognition and honor for his discovery until he was literally [...]
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Fiber Optics: Definition, Types, Benefits

A fiber-optic system will consist of a transmitting device that generates a light signal, an optical fiber cable that acts as the medium for carrying the light, and a receiver on the other end to [...]
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Richard Feynman: Life and Work

Thus, being a physics student at the Massachusetts Institute of Technology, he suggested an unusual approach to calculating forces in molecules as a part of his undergraduate thesis in 1939.
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Light in Modern Physics Studies

Thus, it is possible to notice that this article is of high scientific and practical significance because the use of the technology described by the authors can considerably lower the expenses for energy.
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Osmotic Pressure Possible Applications

In Figure 1, the osmotic pressure is the pressure that needs to be applied to the left water column to stop further flow of the solvent into the solution.
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Electromagnetism and Electricity

Discoveries linking electromagnetism with electricity led to the phenomenal changes that were witnessed in the field of physics and electrical engineering. Electromagnetism is the study of the forces between electric charges and magnetic fields.
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The Color of the Sky

The color of a material object, surface, or substance is a particular wavelength of the visible light reflected from it. The reason is that light can be scattered differently depending on the direction, angle, cloudiness, [...]
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Ultrasound Physics and Instrumentation

The camera is often not in harmony with the perception of the depth of a human vision. The level of such an acoustic signal distortion within a tissue is dependent on the emitted pulse's amplitude [...]
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Single and Combined Pulley Mechanisms

However, it is easier in uplifting a load with a single fixed pulley because the pulley enables one to pull the load towards the gravitational acceleration, rather than against it like in the case when [...]
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Scanning Probe Lithography Process

2 A required sample is identified by scanning a nanoscopic to mark scales on the surface. The two are: Here, a pattern is formed by moving chemicals on a given surface.
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Time-Space Convergence Consequences

To be more precise, an increased focus is put on the growth of technology that is quite rapid in the modern world and the certain impact that it has on the relationship between time and [...]
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Newton’s Second Law of Motion

The objective of the experiment is to demonstrate Newton's second law of motion that the acceleration of an object with fixed mass is directly proportional to the net force applied to it.
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Life Cycle of Photon: the Impact of Its Discovery

Since its discovery in the early twentieth century, the photon has contributed greatly to the understanding of the fundamental physics, was used in the multitude of experiments to prove the dualistic nature of light, served [...]
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Nuclear Reactions and Their Physical Properties

Fusion is the process of combining deuterium and tritium to create helium-4. Tritium production is an even more complex process and requires the use of a nuclear reactor to produce tritium beforehand.
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Concept of Speed in Physics

Therefore to describe speed it becomes necessary to factor in the amount of time the moving object takes to travel from one place to another as well as the actual distance between the two places.
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Energy Resource Plan – Physics

From the preceding, it is vital to conserve both forms of energy to ensure environmental sustainability because the misuse of energy is the chief cause of pollution.
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Physics: Big Bang Theory

Contrary to the popular assumption that it is a point if the string theory is true, then it means that it is a point.
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Possible Use of Alternative Energy Sources

Research Aim: To identify the factors which are responsible for the threats of dependency on conventional energy sources Research Objective: To demonstrate how the development of alternative energy sources could overcome the rising cost of [...]
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Is Renewable Energy a Viable Option?

One of the most critical questions that majorities ask and the main hurdle to renewable energy is whether renewable energy can ever efficiently become a viable energy option relative to the traditional, ready available sources [...]
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Energy Storage Technologies

Overview Flywheel technology is able to store "energy by accelerating the rotor/flywheel to a very high speed and maintaining the energy in the system as kinetic energy".
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Bonded Wire Strain Gauges

Bonded wire strain gauge consists of a bendable features and a strain gauge that joins the bendable parts. Bonded wire strain gauge cannot be "detached and used again because of the bond".
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Low Voltage Digital Design

In order to ensure that these batteries are effective in improving the performance of the mobile devices, the circuit designs in these batteries are being designed to ensure that they supply more power to the [...]
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Nuclear Power — Mega Trend

The developmental milestone of the discovery of nuclear fission in the early 30's paved way to the advent of nuclear power as a source of energy.
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Tensile Testing of Metallic Materials

In simple terms, stress is the ratio of the elongation force to that of the cross sectional area whiles the stress is the ration of extension to that of the original length.
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  • Words: 1912

Blue Sky and White Clouds

In this case, light is always scattered as time goes by because of the ocean. This is because light moves slowly in dense air that is always the characteristic of the ocean.
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Red Eye Effect and Animal Eyes

This type of reflection is one of the major causes of red-eye in flash pictures. The very light is reflected in the retina to enable night vision.
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Water Cycle Process

On the reaching the atmosphere water molecules bond together again and come back to the earth surface through the process of precipitation.
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Experiment of the Fluid Mechanics

The Experiment was going to be carried out in the following manner: Checking the equipment; Charging the hydraulic bench with water; Placing the plastic caps at the end of the shaft; Increasing/decreasing pressure; Observing the [...]
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Carbon Fibre Composites: Preparation and Bonding

The specifics of the experimentation will be dependent on the area or dimension of the sheet of carbon fibre, the rate at which it will be applied to the bonding surface and also, the different [...]
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The Common Sense Science

The common sense scientists define their profession as one that has the ordinary, nonspecialized knowledge of judgment and that it has the ability to judge the work of scientists.
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The Concept of String Theory

The effort to understand the seemingly dimensionless nature of fundamental particles and the four dimensional nature of matter and space in one theory has led to development of string theory. The string theory is the [...]
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Wind and Solar Energy as a Sources of Alternative Energy

Fthenakis, Mason and Zweibel also examined the economical, geographical and technical viability of solar power to supplement the energy requirements of the U.S.and concluded that it was possible to substitute the current fossil fuel energy [...]
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The Photon Definition and Effects

In this diagram, the electron life cycle shows that when an electron loses energy at point 'a', it leads to the creation of the photon.
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Color and polarized light

The perception of color depends on the sensitivity of its wavelength to the relevant parts of the eye. In spite of the fact that there are varieties of eyes in the animal kingdom, it is [...]
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The Interference of Colors

This occurrence is in contrast to destructive interference whereby the amplitude of the resultant wave is lesser than that of the original.
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The Electromagnetic Spectrum

One of the tools used in the separation of lights is the spectrometer and it separates the natural light into the diverse wavelength contained therein.
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How maglev trains work

It is the force that is created to achieve both goals, to propel the car and levite it vertically at the same time. According to the author, the train is propelled forward after it is [...]
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Can you study paranormal scientifically?

Indisputably, psychologists assert that it is impossible to study phenomena that are related to paranormals. Additionally, it is evident that paranormal phenomena are not constant and they vary in degrees from one individual to another.
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The Role of Lenses in Optics

Harris proposes that the focal length relates to the concave and convex lenses because it is part of that system, when it is looked at in relation to the focal point, thus defined as the [...]
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Rainbow and Its Various Aspects

The main cause of the formation of rainbow is the refraction and dispersion of the sun light which occur in the event of rainfall or any other form of moisture that could be present in [...]
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The Concept of Photons

Photons have a wide range of characteristics and the following are just some of them according to the photon theory of light.
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Concept and History of the Lasers Usage

This is the case due to the fact that, these properties are the primary determinant of the ability of a laser light to interfere with itself in order to give out the desired interference patterns.
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Why Nuclear Energy Is Not Good?

Even those who say net production is cost effective for unit of nuclear energy produced may not be saying the truth because most of these estimate forget that nuclear energy is recipient of many government [...]
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The Wonders of the Universe

In his book Hawking while reviewing the writings of the Newton as well as Einstein, he discusses the role of God in the creation of the universe.
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