Physics Essay Examples and Topics

401 samples

Physics Lab Report: Hooke’s Law

In response to the pulling force, a restoring force is equal to the compression or extension force. In essence, the restoring force is equal and in opposite direction to the force exerted on the elastic [...]
  • Pages: 3
  • Words: 883
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Newton’s Second Law of Motion

5
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.
  • Pages: 3
  • Words: 904

Electric Circuits: Verifying Ohm’s Law

Overall, the aim of the CEN201: Lab Experiment 1 Electric Circuits was: To verify Ohms law experimentally by keeping the voltage constant and varying the resistance.
  • Pages: 8
  • Words: 2133

The Inclined Plane: Physics

When considering a frictionless inclined plane, the Mechanical Advantage, which is the ratio of load to effort, increases with decrease in the angle of inclination.
  • Pages: 4
  • Words: 1143

The Latent Heat of Vaporization Experiment

From the table above, it is evident that water has a specific latent heat of vaporization of 2260kJ/Kg implying that the any mass of water absorbs heat that is proportional to this ratio.
  • Pages: 6
  • Words: 1677

A Mesh and Nodal Analysis Lab Report

The variables in the circuit are chosen to be the node voltages in nodal analysis. Mesh or loop analysis, as contrasted to nodal analysis, deploys Kirchhoff's voltage law to evaluate currents in the circuit.
  • Pages: 2
  • Words: 662
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A Resonance Tube Laboratory Experiment

The purpose of the present work was to determine the frequency of the sound wave in the state of resonance. The paper contains calculations of the two frequencies for the two forks and a comparison [...]
  • Pages: 2
  • Words: 636

The Operational Amplifier: A Physical Experiment

The main objectives for doing this experiment are: Investigating the use of operational amplifier as an analog comparator Investigating the influence of open-loop characteristics on the circuits in which operational amplifiers are used To measure [...]
  • Pages: 4
  • Words: 896

Laws of Electromagnetic Induction

In other words, a change in the intensity of magnetic flux near a closed circuit results in the induction EMF, which is opposite in direction and equal in magnitude to the flux.
  • Pages: 3
  • Words: 1095

Optics: The Experiment of Snell’s Law

The degree of bending is proportional to the refractive index of the medium. In essence, with an incident ray traversing two media with different refractive indices, the incident ray, the normal to the interface separating [...]
  • Pages: 3
  • Words: 910

The Experiment With Spring Balance

5
The essence of performing this experiment was to verify the relationship between the effects of force on the extension of a coiled spring and as such, verify the principle behind a spring balance.
  • Pages: 4
  • Words: 1245
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Pros and Cons of Nuclear Power

5
The first pro of nuclear energy is that it emits little pollution to the environment. The next con of nuclear energy is the occurrence of a meltdown.
  • Pages: 3
  • Words: 863

Torque Supported by Real-Life Applications

This force, which enables an object to rotate, is referred to as a Torque. Torque is therefore defined as the measure of this force F, which enables the object to rotate.
  • Pages: 4
  • Words: 1151

Reflection and Refraction of Light: Examples

5
This paper is an in-depth analysis of the facts surrounding the reflection and refraction of light."Reflection refers to the bouncing of light off a smooth surface"..
  • Pages: 5
  • Words: 1390

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.
  • Pages: 2
  • Words: 538
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Energy Conservation: The Lab Experiment

The motion of a pendulum is a good demonstration of mechanical energy conservation. However, gravity is a conservative force, which is why it does not cause any change to the total mechanical energy of the [...]
  • Pages: 4
  • Words: 1116

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 [...]
  • Pages: 3
  • Words: 756

Electrical Circuit Theory: Rectification Process

As such, a number of components like capacitors and inductors are incorporated in the final sections of the rectification circuit so as to result in a smoother output waveform. This is known as the rectification [...]
  • Pages: 6
  • Words: 1729

The Path of Light

3.8
The fundamental difference between light waves and other types of waves is in the ability of light waves to travel in a vacuum.
  • Pages: 5
  • Words: 1322

How maglev trains work

5
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 [...]
  • Pages: 3
  • Words: 798
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The Phone Case Drop: Force Analysis

The acceleration of a system is directly proportional to and in the same direction as the net external force acting on the system, and inversely proportional to its mass.
  • Pages: 1
  • Words: 412

The Formation of Rainbows

5
When the rays of sun land on the surface of the earth, they cause the temperatures of the earth to increase, leading to evaporation of water in the water bodies such as rivers and lakes.
  • Pages: 5
  • Words: 1580

Sliding Friction: Static and Kinetic Friction

Friction is mainly depended on the nature of the surfaces and not the area of contact between the surfaces. The objectives of this experiment is to verify the laws of friction, the different types of [...]
  • Pages: 4
  • Words: 1482

Steel and Young’s Modulus Experiment

The stress at the end of the experiment gave the breaking strength and was 504. The stress-strain curve was re-plotted in the range of 0 to 1% strain to calculate Young's modulus and 0.
  • Pages: 2
  • Words: 656

The Focal Length Determination for Two Convex Lenses Lab

Distances S0 and Si for two convex lenses in an experiment using the Lens Equation method Focal length is defined as the numerical characteristic that determines the difference between the position point of the lens [...]
  • Pages: 2
  • Words: 717
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The Evolution of Electricity

In one of her works Diana Bocce observes, "The kite experiment helped Franklin establish a relationship between lightening and electricity, which led to the invention of the lightning rod" This is considered one of the [...]
  • Pages: 10
  • Words: 2790
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Conservation Of Energy

The amount of kinetic energy in a body is affected by environmental factors and the state of surrounding bodies while potential energy is independent of the surroundings.
  • Pages: 2
  • Words: 555

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.
  • Pages: 2
  • Words: 558

Isaac Newton and His Three Laws of Motion

As one of the great scientists of the 17th century, Newton published his scientific theories and findings in the Principia, his masterpiece in the realm of science.
  • Pages: 11
  • Words: 3108

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 [...]
  • Pages: 3
  • Words: 886
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Experiment: Shear Force in a Beam

Calculate the theoretical shear force at the cut and complete the Table 2. Calculations: Theoretical Shear Force Sc=w*a/L Where L=0.
  • Pages: 2
  • Words: 680

Alternate processing methods for xrays(radiography)

5
However, the processing method is very expensive, and the radiation dose is very high compared to standard processing methods. To add to this, quality of the film produced under the daylight processing is high.
  • Pages: 2
  • Words: 608

Physics: Permeability of Free Space

To determine an experimental value of the permeability of free space o To investigate the balancing of repulsive magnetic between two wires with antiparallel currents by using a known gravitational force The setup for the [...]
  • Pages: 4
  • Words: 1108
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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 [...]
  • Pages: 2
  • Words: 548

Collisions in One Dimension: A Physical Experiment

The objective of this experiment is to ascertain that when bodies are involved in an elastic collision, both the energy and the momentum are conserved unlike in a perfectly inelastic collision where only the momentum [...]
  • Pages: 4
  • Words: 1362
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Rainbow and Its Various Aspects

5
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 [...]
  • Pages: 5
  • Words: 1339

Plastic Bending of Portals Experiment

Is to forecast the bending moment diagram, collapse load, the number, and the position at which plastic hinges for the portal are formed To compare the predicted values with the experimental values found from [...]
  • Pages: 8
  • Words: 2166

The Physics of Gun Recoil. Scientific Background

Recoil is the backward momentum of a gun after a bullet has been discharged. On most occasions, this movement of a gun causes discomfort to the shooter since reduces the accuracy of the target.
  • Pages: 3
  • Words: 819

Color and Light

History in the physics lesson indicates that Isaac Newton was the inventor of light since 1672; he applied the logic of a prism to discover that the prism could split the sunlight to various colours [...]
  • Pages: 5
  • Words: 1387

Three Non-Parallel Forces in Equilibrium

The aim of this experiment is to ascertain that when three non-parallel forces are in equilibrium, their magnitudes can be derived from the directions of their lines of actions using triangle of forces method or [...]
  • Pages: 4
  • Words: 1314
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The Concept of Photons

5
Photons have a wide range of characteristics and the following are just some of them according to the photon theory of light.
  • Pages: 5
  • Words: 1318

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".
  • Pages: 2
  • Words: 565
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The Big Bang Theory: Experimental Evidence

The study of the evolution of the universe is fundamental to understanding the driving forces behind the emergence of life. The controlled variables are the use of the same balloon, the composition of the gas [...]
  • Pages: 1
  • Words: 499

How Things Work: Microwave Oven

The invention of the microwave oven - is the invention of completely new method of food preparation. It must provide the possibility of survey and to exclude the output of the microwaves to the outside.
  • Pages: 2
  • Words: 574

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 [...]
  • Pages: 5
  • Words: 1528
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Design of a Power Winch

5
There is scantly information about the origin and history of winches, but the earliest records by Herodotus of Halicarnassus indicate that wooden winches dominated the architectural form as was referenced by Aristotle and might have [...]
  • Pages: 20
  • Words: 5511

Single Channel and Multichannel Analyzers

The tool that provides the means to conduct a pulse height analysis of incoming linear signals as well as conduct a series of counting experiments in one run is known as a multichannel analyzer.
  • Pages: 5
  • Words: 1468
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Experiment: Frame Deflections and Reactions

This guide describes how to set up and perform experiments related to the deflections and reactions of a rectangular portal. The Frame Deflections and Reactions experiment fits into a Test Frame.
  • Pages: 2
  • Words: 1405

Picket Fence Free Fall Analysis

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.
  • Pages: 2
  • Words: 640

Injection Molding Lab Analysis

The injection section has a hopper where a material is fed, and an injection ram that drives a molten material to the clamp thanks to heaters.
  • Pages: 2
  • Words: 621

Single and Combined Pulley Mechanisms

5
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 [...]
  • Pages: 2
  • Words: 535

How the Universe Was Created According to Physics

He observes that space and time have remained to be the most mysterious of the concepts of the universe. The fundamental assumption of the theory is that the universe was initially very hot and in [...]
  • Pages: 6
  • Words: 1782
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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.
  • Pages: 7
  • Words: 1912

Air-conditioning and Heating Systems

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.
  • Pages: 6
  • Words: 1628

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 [...]
  • Pages: 3
  • Words: 806
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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.
  • Pages: 2
  • Words: 644

Physical Lab Experiment on Equilibrium of Objects

Through considering the measurements of the bodies with regular shapes, it was easy to locate the C.O. As a result, the body cannot balance if the pivot is not put at the center of gravity.
  • Pages: 4
  • Words: 923

The Design and Implementation of DC-DC Boost Converter

The project begins with a research into solar energy particularly the photovoltaic cell, its historical development, and the behavior and modular design and construction of the PV cell.it goes further to detail on alternative devices [...]
  • Pages: 28
  • Words: 7637
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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.
  • Pages: 2
  • Words: 567

The Concept of String Theory

3
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 [...]
  • Pages: 3
  • Words: 848

The Use of Physics in my Daily Activities

The friction between the road surface and the tyre makes it possible for the car to move forward when the gas pedal is pressed. Gravity is the force that causes the bucket to fall into [...]
  • Pages: 6
  • Words: 1408

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 [...]
  • Pages: 3
  • Words: 819
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Physics Lab Report: Centripetal Force

In this laboratory work, the dependence of the centripetal force on the radius, the mass of the sample, and the angular velocity at which the sample rotates around the vertical axis are studied.
  • Pages: 2
  • Words: 630

Physics 51-Electricity and Magnetism

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.
  • Pages: 4
  • Words: 1393

Piezoelectric Nano Biosensors

In the thickness-shear mode of vibration, the overall frequency of oscillation of AT-cut quartz crystal is described by the equation: F defines the crystal frequency, N is a constant of the material used to make [...]
  • Pages: 9
  • Words: 2506
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Energy and Momentum in the Daily Life

Ke= mv2/2 From eq taking the negligible potential energy we have E t = Ke = mv2/2 Kinetic energy is therefore related to momentum in the above equation. As mentioned in the literature energy is [...]
  • Pages: 3
  • Words: 882

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.
  • Pages: 14
  • Words: 3811

Waves on a String: A Physics Laboratory

From this data, the dependence of the wavelength on the root of the tension is plotted to determine the slope factor; this factor can be used to calculate the frequency of the wave indirectly.
  • Pages: 2
  • Words: 563

Observing Orientation Behavior in Planarian Dugesia SP

The alternate hypotheses were that planarian Dugesia sp.shows response to gravity and that planarian Dugesia sp.shows response to light. The Chi-Square statistics for both tests were significant and therefore the null hypotheses, the planarian Dugesia [...]
  • Pages: 3
  • Words: 1688
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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.
  • Pages: 5
  • Words: 1387

Researching the Viscosity of Liquids

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.
  • Pages: 4
  • Words: 1158

Wave Types in Physics Overview

For example, if when a wave propagates in a medium, the displacement of its particles occurs in the direction of the wave itself, it is commonly referred to as a longitudinal wave.
  • Pages: 2
  • Words: 642
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Constant Acceleration: Newton’s Second Law of Motion

This experiment is aimed at verifying Newton's second law of acceleration by investigating the acceleration of a glider on an air track acted on by an unstable force and evaluating the amount of work performed [...]
  • Pages: 4
  • Words: 1313

An Introduction to Energy and Its Development

Further developments in the field of energy use began with the sources such as wind, biomass, and hydropower and these were the only sources of energy for humans for thousands of years.
  • Pages: 5
  • Words: 1303
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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 [...]
  • Pages: 2
  • Words: 562

Scientific Theories of Atoms and Their Structure

Bohr's Theory Although the aforementioned atomic theory by Rutherford was accurate in that it predicted the existence of a dense nucleus in the core of an atom, it still had a few shortcomings.
  • Pages: 6
  • Words: 1677

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 [...]
  • Pages: 5
  • Words: 1365

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.
  • Pages: 5
  • Words: 1364

Light Beams and Their Classification

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 [...]
  • Pages: 12
  • Words: 3437
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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.
  • Pages: 4
  • Words: 1114

Closed Loop Motor Speed Control Techniques

To investigate the differences between an open loop and closed loop motor speed control in the presence of mechanical load. U-151 Dual attenuator U-152 Summing amplifier U-153 Pre-amplifier U-154 Motor driver amplifier U-155 Tacho amplifier [...]
  • Pages: 5
  • Words: 1477

Nasa Exercise: Lost on the Moon

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
  • Pages: 1
  • Words: 417
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Aluminum Strip vs. Honeycomb Beam: Strain Analysis

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 [...]
  • Pages: 1
  • Words: 393

Lab Report: Gas Properties Studying

The purpose of the present laboratory work was to determine the nature of the relationships between the various variables describing the state of a gas using the ideal gas equation.
  • Pages: 4
  • Words: 1419

Simulation of AC-DC Regulated Power Supply

Obviously, for normal functionality of such a device, it is necessary to ensure that a stable voltage is supplied to the sensor, which means that the circuit must be able to transform the AC voltage [...]
  • Pages: 6
  • Words: 892

Relationship between Magnetism and Electromagnetism

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.
  • Pages: 1
  • Words: 282
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