Physics Essay Examples and Topics. Page 2

Electroluminescence is the brainchild of Round, a British experimenter, who first employed the use of a "crystal silicon carbide and a cat's-whisker detector to produce light in the year 1907".

This reduces the size of the barrier potential that is as a result of the depletion layer. The thinness of the LED chip ensures that the photons are able to leave the material radiating to [...]

In fact, the application of the quantum effect in daily life events has made various people develop an interest in the study of physics.

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 [...]

Specific heat capacity is the measure of the heat energy In physics, energy is a scalar physical quantity that describes the amount of Work_ that can be performed by a force. The study of the [...]

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.

The uniqueness of the compositional structure of the planet Earth is determined by the sufficient distance from the system-forming star, the Sun, which determines the possibility of the existence of the atmospheric layer.

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 [...]

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 [...]

The Mesopotamian creation epic creation myth considers man as a savior of the gods in that he is created to work and set free the gods.

The content of the article is very important because food waste is one of the major components of landfills in the United States.

A famous ancient painting of the machine that was attributed to Hero of Alexandria as the inventor in the first century points to the beginning of thermodynamics.

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.

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 [...]

To make the best choice, therefore, a careful examination of the necessary requirements, and not only of the advantages and disadvantages of each type of system and its suitability for the particular environment, is critical.

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

The figure below provides an overview of the major parts of the solar system, which include the solar core, the radiative zone, the convective zone, the photosphere, the chromosphere, and the corona among others.

Therefore, substantial research has been done in the literature on the Torsion of prismatic bars with solid, closed, and open cross-sections.

The aim of the laboratory work is to study the dependence of the final speed of the cart on the momentum: the findings show that this dependence is a linear upward trend.

According to Feng et al, torque is proportional to the product of the applied force's magnitude and its perpendicular Distance from the axis of rotation, which in turn is determined by the direction of the [...]

In fact, the mass of the weight affects the force of gravity experienced by the objects and affects the spring: the stronger this mass is, the more extension of the spring should be expected.

Generally, an increase in force should lead to a rise in kinetic energy since the higher the force, the greater the change in motion.

The centripetal force formula determines, Fc = /R, that the value of this force is inversely proportional to the radius of the circle: that is, the further the object is from the center of the [...]

This is the point at which the airflow over the wings reaches the speed of sound, and as the aircraft continues to accelerate, shock waves form on the wings.

Two 100 pound tanks of oxygen Five gallons of water Stellar map Solar-powered FM transmitter/receiver Food concentrate First-aid kit with hypodermic syringes Fifty feet of nylon rope Parachute silk Signal flares

According to the beam type, different equations were used to determine the stress and strain values using the resistance readings from the strain gauges. The strain equation uses the resistance values to compute the strain [...]

However, there is an essential difference between the terms, as magnetism refers to a movement that does not require electricity, while EMFs always consists of both electric and magnetic components.

The pulley system is a set of wheels and a rope, one end of which is attached to fixed object, while the other one is fixed on an object that has to be lifted.

A substance or material is "radioactive" if it has a lot of radioactive material or is mostly made up of radioactive material.

Methodically, any of the three parameters, whether current, voltage, or resistance, can be measured using Ohm's law for a simple circuit.

Mathematical modeling of physical processes allows the creation of simulations and prediction of the values of the variables sought, which proves to be particularly useful in the context of engineering tests.

Assuming no heat gain or loss to the surrounding, the sum of heat lost by the boiling water and the calorimeter is equivalent to heat gained by the solid or metal, illustrated in equation.

The task for the experiment is to check the applicability of Hooke's law and the basic metrics of simple oscillation processes with the construction of graphs and the search for relationships between the variables.

Within this area, the influence of the initial conditions of the projectile on the average speed of free flight before the first fall is checked, all other things being equal: body mass, initial velocity, and [...]

In the context of studying the effect of doping on the temperature dependences of graphene material, it is essential to cite the study by Kolesov et al, who studied the differentiation of N-doped, based on [...]

It is also important to exalt or minimize their presence in the acquired images using knowledge of the type and extent of their susceptibility.

Cyclists would use at least 250 kWh per hour of energy walking, which is about 70% more efficient than the energy required for a car.

The purpose of this paper is to outline the expected effects of heat on concrete, discuss the essence of hot weather concreting, and then list and explain special techniques for creating the mix design to [...]

As primarily seen in Table 1, an increase in the temperature of the water in the bath resulted in an increase in the pressure in the closed vessel, which means that the increase in temperature [...]

Furthermore, the cosmic microwave background supports the Big Bang theory and states that with the help of this background, it becomes possible to see the past via the speed of light.

This paper considers the model of an ideal gas and its implementation on the example of an experiment on changing the volume of a gas cylinder and the corresponding dynamics of temperature and pressure.

The error of the eye could also result in this uncertainty. The result achieved is what was expected in this lab practical.

The purpose of this work is to study the relationship between the velocity of a falling object and the time during which it falls.

Due to the complexity of the mathematics and theoretical work involved in nuclear engineering, it is a somewhat challenging field to master.

Specific gravity should be called the ratio of the density of a body to the density of the liquid in which that body is immersed.

The ultimate goal of the laboratory work is to determine the relationship between the kinetic energy of motion and the force.

The main goal of this lab investigation was to use practical logic circuits to validate DeMorgan's law and the Distributive Law and learn about CMOS devices' characteristics.

Thus, only two of the three diagrams were closed, as shown in the figure below. In the case where the coordinate pairs of the resulting force were not equal to zero, there was no true [...]

Table 1: Raw data from four measurements For each of the four tests, it was necessary to determine the instantaneous values of time and velocity.

In one case, the mass of the weights was changed, resulting in a change in the speed of the cart. Based on the acceleration and mass of each cart, it is possible to calculate the [...]

Moreover, it is necessary to consider the difference in the basis of the structures - the heterojunction. The difference in the values in the electron affinity of molecules and atoms contributes to the appearance of [...]

Finally, electrical energy is similar to thermal energy, but in this case, there is the movement of electric charges, which cause perturbation of the electromagnetic field.

In fact, in the diffraction of any waves, including light waves, visual observation of the envelope of obstacles by waves is possible only if the dimensions of these obstacles are comparable with the dimensions of [...]

In the series connection of capacitors, the total capacitance becomes lesser than the capacitance of individual capacitors. On the other hand, the parallel arrangement of capacitors results in the total capacitance becoming the total sum [...]

In accordance with Boyle's Law, with the increase of the volume comes the decrease in the pressure; therefore, with the increase of the intrapleural volume comes the decrease in the intrapleural pressure.

A bike is usually referred to as a bicycle and is a conveyance machine. When a cyclist squeezes the levers, the pads press firmly against the wheels rims, and the bicycle comes to a halt.

Platinum metals are seen to be very noble because their domain of stability is found to cover that of water. Hydrogen can be absorbed in large quantities by platinum cathodes, which contribute to faults and [...]

As a result, when a fracture proliferates through the substance, the healing agent is released from its storage compartment and into the fracture plane, where it hardens and fixes the substance. Form-memory polymers are a [...]

This is one of the sides of the problem, which was also voiced in the podcast, "The nuclear parts of the bomb have to be in the possession of the civilians".

To study Hooke's Law on the example of a small spring. To study Archimedes' Principle using the example of deformation in a vertical spring.

Thus, the direction of the torque with respect to the point is essential and shows the ability of the body to rotate in the direction of the resultant vector.

Three major themes will be explored in-depth: I the adaptability behavior and the reliance of the chemical and physiological body of the structure on its organic ligands and metal endpoints, the occurrence of adaptable MOFs, [...]

The instability state of the chemical can quickly destroy the biocompatibility properties of the given materials of the nanoscale. The synthesis of different kinds of shell core can be applied in the delivery of drugs [...]

The ability of a material to sustain compression is referred to as compression strength. The ability of a material to sustain structural failure or flexing is referred to as yield strength.

The key focus of the mathematical essay is to determine the minimum number of balloons that can lift the building into the air and consider the associated features of this event.

With the advancement of solid-state physics concepts and studies, NMR spectroscopy is expected to find more applications in analytical and organic chemistries. The most common applications of NMR spectroscopy are in medicine, analytical chemistry, and [...]

Knowing that momentum is a product of mass and velocity of an object, the law can be depicted in the following formula: Where: m = mass before collision v = velocity before collision m' = [...]

Using the values of the ones, we additionally calculated the usual distance, the wavelength, the velocity, and the tension within the string.

The conical pendulum moves at a constant spend in a circular horizontal plane and when the bob is attached to a string, it forms a cone and so it is used to illustrate uniform circular [...]

The rise in body temperature, the warming of food, the melting of ice, and the weather are all literally everyday manifestations of temperature fluctuations.

The viscosity of a fluid is associated with a quantitative indicator of a fluid's tendency to resist flowing. The temperature may significantly impact the value of both the viscosity of a liquid.

The viscosity of a fluid is related to the quantitative index of the tendency of the fluid to resist flow. The dynamics of the plates create the conditions for shear displacement, which ultimately causes the [...]

Thus, it is seen as a set of tools for studying the motion of objects in space in simple words. However, not only such a system is of practical value for studying the dynamics of [...]

According to Pratidhina et al, the displacement of such a system undergoing simple harmonic motion can be expressed as a function of time, as given by the following equation.

1076 g of dry potassium nitrate, dissolved in 30 mL of distilled water and quantitatively transferred into a 50 mL flask bringing the solution to the mark.potassium ferricyanide, 6.

The study of the optical laws of reflection and refraction of light is of decisive importance for the optical beam path's practical research.

In developing the equation for wave propagation through a stratified medium, it is important to consider the nature of that stratification. In a planar wave's plane of incidence for a TE wave, the curl equation [...]

If the nozzle of the inflated balloon is released, it will become deflated and move in the opposite direction of the nozzle.

In its turn, this postulate presupposes the following: The observable size of an object that moves through the universe with the speed comparable to the speed of light, relates to the speed's subtleties in a [...]

Although there are several approaches to achieving the design frameworks, actually, Newtonian laws of motion of space and time are the basis of structural designs.

The main points of the various events I attended are the following: Due to the possibly dangerous nature of some experiments appropriate peer review is an absolute necessity in terms of other people within the [...]

This paper explores the possible options of electric-power production sources and attempts to gain insight into the benefits of the application of the most recent scientific developments, such as nanotechnology, for enhancing and expanding the [...]

The reason is due to an increase in the power density of the reactors. The volume of the nanoparticles suspended in the base fluid is around 50% of the total concentration.

Contemporary systems meant to heat water/air explore both the heat pumps and the solar plates that are combined to form a unit with the aim of optimizing on the energy efficiency as well as solar [...]

Additionally, the methods of notes assignment through average intervals of waves of bandwidth will be tested to establish the similarity between the waves and notes in different groups.

The subject of the section is literary sources that described the phenomenon of distillation under the influence of solar radiation from the perspective of the science of the time.

In conclusion, virtualization and emulation are two different processes that are defined by their usage of the system's resources, cost-efficiency, their role in testing environments, and the general purpose.

Moreover, the intensity of heat is determined by how fast the atoms are moving in the object, the fast the movement the higher the heat and the lower the movement the lower the heat.

The periodic time T of the motion is expressed by the below Galileo's equation: Where g is the acceleration of gravity and l - the pendulum string length.

The beneath data table shows the time taken for the mass of 100g to complete ten oscillations for the various amplitudes measured in degrees.

The possibility of extracting the energy frontiers in the form of a multi-TeV hadron beam from the LHC for specific target experiments can be fundamental to research within the physics environment. The first process in [...]

There is a substantial variety of sensors that differ in the values that they respond to and the technologies through which they operate.

In this laboratory work, the correlation between salt concentration in water and boiling point was studied. Thus, for the experiment, the temperature of water brought to boiling was measured beforehand, and then 12 g of [...]

In this laboratory work, we compared the rate of dissolution of crystalline sugar in equal amounts of water at room temperature, depending on the degree of crushing of the cube.

The notion that radiation has the power of damaging the DNA is a consideration that the availability of electrons can be applied to kill malignant cells.

The operational tasks of the customs services, requiring the use of technical means of customs control, are fundamental for understanding the role and place of the operational activities in the customs services.

The use of the variable-geometry wing technology on the wings of supersonic rockets has the capability of spreading and sweeping sharply in the backward direction to maximize the speed.

Thus, it can be deduced that the alloys produced until today cannot be viewed as a random dataset due to the limitation of the elements used in their production.

Angle proportion is the essential component while deciding the lift and drag proportion of a wing. The perseverance of a high perspective proportion will be higher than a lower angle proportion.

The rate of charge flow is referred to as the Current, denoted as I, and is given as follows; There are four electrical quantities namely; the charge, voltage, current, and resistance.

Creating the environment, in which the transformation of solar power into heat energy becomes a possibility, the device in question should be viewed as one of the means of introducing a policy of sustainable use [...]

The changes which occur in microscopic material are determined by several factors, including the nature of surface of the particle and the environmental compositions under which the particle is put in.

The objective of this paper was on one part to look on the basics of torque measurements, and on the other part to analyze how the latest generation of a digital telemetry works.

The variation between the strength of the images in the activation state and the baseline state gives the resultant signal. Using a Gaussian filter and GLM to sift and iron the data enables the fitting [...]

The plutonium produced, however, is not pure and requires exposure into the air in the reactors to isolate pure plutonium-239 from the rest of the materials and make it an effective fissile material for use [...]

The mechanical advantage "is a ratio of the load to that of the effort exerted on the machine by the operator".

Of the two types, the 'ball and roller bearings are the most efficient since the severity of the rolling friction is negligible as compared to the sliding friction.

265 kWh/kL water supply The actual daily consumption in a period of 8 days of the above-mentioned utilities are calculated and recorded in the following table 2.

The farther the object falls, the faster it is moving when it hits the ground. One way to calculate the value of g is to use a simple pendulum.

The law is represented by the formula F = Ma where F is the force applied in a particular direction, M is the mass of the object upon which the force has been applied, and [...]

The graph of Power against specific fuel consumption in figure 3 shows that increased power occurs when the specific fuel consumption is low.

It is known that a body moving a long inclined plane, experiences acceleration due to the force of gravity, which is further affected by the mass of the body and the angle of inclination of [...]

The objective of this experiment was to determine the nature and the phase differences between voltage and current for reactive components in a series LRC resonant circuit.

While it is a well known fact that it is the gravitational interaction between the Earth and the Moon that is responsible for the tides, that it is Earth's gravity that keeps us from flying [...]

The objective of this experiment was partly to investigate the current-voltage behaviors of a resistor and a bulb and, to investigate the effect of length on the resistance of a wire.

The resistance of the light bulb was measured using DMM and the corresponding values of current read for the following voltages: 0.

In the first setup the aim was to create dipoles and, consequently trace equipotential lines vital in predicting of the electric field patterns between the two point charges.

The objective of this experiment was to investigate the relationship between the electric potential and the electric field and hence, determine the electric field pattern and strength E between a pair of parallel conductors.

The calculated value was used to obtain the quality of the wave. With regards to the sin fits of the motion, the 'eyeball' gave =0.

From the analysis, the effective mass of the spring was 0. The effective mass of the spring was 0.