Physics ppt slideshare. It studies matter, energy, and their relationship.

Physics ppt slideshare Questions The Sun has a mass of about 2. practical impact of modern physics and quantum mechanics : atom bombs; nuclear energy and power plants; advances in molecular and chemical biology; observation and description of DNA/RNA; space exploration; X-ray lasers, compact disc players, and bar code readers; transistors, computers and many, many other developments. Therefore sound can be defined as •A form of energy caused by vibrations. Even space and time, which appear to be extremely continuous, 6. • The average 70 kg adult human body contains approximately 3 x 1027 atoms of which 67% are hydrogen atoms!!!! Mechanics Mechanics is a branch of physics concerned with the behavior of physical bodies when subjected to forces or displacements also it deals with matter and investigates energy. TRANSDUCER • (1) converting the electric energy provided by the transmitter to the acoustic pulses directed into the patient and • (2) Receiver of reflected echoes, converting weak pressure changes into electric signals for processing. Exit Projectile Motion Problem Suppose a student wants to figure out how far away an ball would land if launched off the table at an angle of 30 degrees from the horizon. nagpur, india. ltd. DECAY BY ~- EMISSION Radioactive decay by J3 - emission is a process in which, essentially, a neutron in the nucleus is transformed into a proton and an electron. It includes the study of, 1. Problems may involve projectiles launched horizontally or at any angle above or below the horizontal. µ-meson are This document discusses ultrasound physics and principles. definition of physics, its relation with technology, society & other branches of science, conservation laws & fundamental forces in nature Read less. Carbon-14 is used as tracers in chemical and biological research. Notice This PPT is about thermodynamics. It studies matter, energy, and their relationship. Electrostatics Thus Electrostatics is a branch of physics which study the forces, fields & potentials arising from static charges. " 5. • Ex: Two ice-skaters pushing away from each other, have equal and opposite forces. Tariq Masood Presented By: Muhammad Umair Roll# 27 BS-Physics 7th Semester (Morning) The document is a presentation on thermal properties in solids. Thomson's discovery of the electron, Einstein's explanation of the photoelectric effect using the photon model, and key observations about the photoelectric effect that classical physics could not explain but quantum theory could. Nanophysics is the physics of structures and artefacts with dimensions in the nanometer range or of phenomena occurring in nanoseconds. A forensic physicist can reconstruct accidents using physics principles. Nanophysics are the study and application of extremely small things and can be used across all the other science fields 3. PHYSICS FOR ENGINEERS ANGEL M. Physics Applied to Radiology Chapter 5 2. When we switch on the button the Fan starts • Download as PPT, PDF • 8 likes • 4,316 views. The particles contained in the nucleus. Simple Harmonic Motion A special kind of periodic motion occurs in mechanical systems when the (net) force acting on an object is proportional to the position of the object relative to some equilibrium position. collimator It is a lead plate with a central hole that fit directly over the opening of the metal housing where the X-rays exit. • - the study of natural phenomena. 2, 1. Luminance (‫)النصوع‬ or brightness • The illumination of a surface is independent of the nature of the surface, for example, whether the surface is white or black. Physics is the basic science that studies matter and energy. It discusses electrostatics, including charging insulators and generating electric sparks. SOUND • An oscillation through matter • A transfer of energy • Takes the form of a mechanical wave of pressure and displacement • Moves outward from the point of origin • Sounds can interact with other sound and Physics - Download as a PDF or view online for free. d. 0×1030 kg and a mean distance of about 1. 9. lack of algebraic and/or analytic solubility 2. - Definitions and equations for rest, motion 2. Timeline of Physics. The document defines key physics concepts Physics - Download as a PDF or view online for free. IB Physics (IC NL) 1 4. pptx - Download as a PDF or view online for free. “Quantum” comes from the Latin meaning “how much”. 1. • In 1967 Steven Weinberg and Abdus Salam incorporated the Higgs mechanism into Glashow’s electroweak theory, giving it a modern form. 14. Importance of Physics The main and the important is the form of energy that is electrical energy is only and only due to the physics. • But white surface would obviously appear much brighter than an equally illuminated black surface, and hence the term luminance or brightness is used to define how bright a surface appears. Chapter 4 Section 2 Newton’s First Law Although several forces are acting on this car, the vector sum of the forces is zero. Physics studies fundamental quantities like length, mass, time and electric charge that are known as base quantities. Sym Mass Charge Size The mass of the proton and neutron are close, but they are about 1840 times the mass of an electron. (iii) Current amplification factor (β ): This is defined as the ratio of the change in collector current to the change in base current at a constant collector-emitter voltage (VCE) when the transistor is Fluids - Download as a PDF or view online for free. The adult human body is ~53% water, and water is ~11% hydrogen by mass but ~67% hydrogen by atomic percent. Basic principle CONCEPT: Internal structure of an object can be reconstucted from multiple projections of the object. There are several breast imaging modalities available such as Ultrasound, CT,Digital Mammography ,MRI and scintimammography . These are the slides I created for Physics 1425 (Physics I for Engineers) in the Spring of 2010. The surf grows when it approaches a Editor's Notes #3: The basis for determining the velocity and direction of blood flow #5: Doppler effect responsible for the apparent rising pitch of an approaching ambulance siren and the falling pitch as the ambulance moves away #8: This magnitude of Doppler shift is not only proportional to the frequency of the original signal but is also proportional to. Electromagnetic Energy Spectrum continuous range of energy spectrum indicates that the distribution of energies exist in an uninterrupted band rather than at specified levels released by accelerating charged particles moves through space or matter as oscillating magnetic & electric fields needs no 5. A Ohm’s Law: The electric current flowing through a conductor is directly proportional to the potential difference The document discusses the physics of ultrasound imaging, including an overview of acoustic waves, wave propagation equations, reflection and refraction of waves, Doppler effect, and the functioning of ultrasound transducers using piezoelectric crystals to generate and receive acoustic waves for medical imaging applications. Mechanics is divided into three branches: 1- Statics 2- Kinematics 3- Dynamics In this slide we will discuss 1/21/2014 Dynamics. Image in conventional tomography blurring out the information from unwanted regions In CT 4. Michael Fowler, UVa. IB School Follow. Conservation on Momentum • In accordance with Newton’s 3rd Law, two objects interacting are part of a “system” in which the action and reaction forces cancel. Allow lamina to swing 4 Basic Ultrasound Physics Velocity Frequency Amplitude Wavelength 10. com WORK & ENERGY 5 NEGROS ORIENTAL STATE UNIVERSITY • COLLEGE OF ENGINEERING & ARCHITECTURE Energy Crystal Physics - Download as a PDF or view online for free HSC Physics - Vector: Lecture 1 - Download as a PDF or view online for free 19. C. Implications of the Uncertainty Principle HUP can be applied to the h relationship between energy E t and time. Invert the glass. electron incoming photon This document outlines important derivations to learn in Class 12 physics, including derivations of Coulomb's law, expressions for electric fields and potentials due to various charge distributions, drift velocity of electrons, equivalent EMF of series and parallel circuits, magnetic fields due to currents, mutual inductance, impedance of RLC circuits, lens maker's formula, 2. X-rays are a type of electromagnetic radiation that were discovered in 1895 by Wilhelm Roentgen. initial friction when moving an objectEXAMPLE FROM EVERYDAY LIFESlide a book across a table and watch it slide to a rest position. Common vector quantities include displacement, velocity, force. Calculating power involves determining the work done by an object and dividing it by the time taken to perform that work. OTTO AND DIESEL CYCLES • The otto cycle and the diesel cycle are the two important air- standard cycles used for the analysis of internal combustion engines. Composition of Matter All of matter is composed of at least three fundamental particles (approximations): Particle Fig. Gouri Kumar Sahu Sr. Francis Crick, who 24. Collimators are of two types: a. If the bar and the conductor remain steady then there will be no The physics of compaction may be simply stated as "the compression and consolidation of a two-phase (particulate solid-gas) system due to the applied force. • i. + y direction North up - y direction South down - x direction West left +x direction East right 30o S [right, 30o above horizontal] [30o N of E] [E, 30o upwards] The document summarizes key concepts in vector analysis presented in a physics presentation: Vectors have both magnitude and direction, unlike scalars which only have magnitude. S N Note: The 4. HONCULADA norsu. Derivative Standard is standard The next slide will show an idealized diagram, that is, it will show a diagram assuming a definite position for the electron. Some key ideas discussed are: - Physics studies both macroscopic phenomena visible to the naked eye and 3. b. S. Semiconductor Physics In 3 sentences: Semiconductors have electrical properties between metals and insulators, with conductivities from 10-4 to 104 S/m. Nanophysics summarizes the physics of materials at the nanoscale (1-100 nm). Oxygen, hydrogen, carbon, nitrogen elements constitute 96 % of human body mass. Electron e- 9. graphs and equations graphs can be considered as a picture of an equation showing an array of x and y values which were calculated from the equation. - Composition and interactions of x-ray radiation. The Main Areas of Physics Physics can be broken down into seven main categories: Name The study of Mechanics motion and its causes Thermodynamics heat and temperature Vibrations and Waves specific types of repetitive motions Optics Light Electromagnetism electricity, magnetism, and light Relativity particles moving at any speed, Physics is the study of everyday phenomena and aims to explain these using fundamental laws of nature. Current density: Current density at a point, within a conductor, is the current through a unit area of the conductor, around that point, provided the area is perpendicular to the direction of flow of current at that point. The area above the ground where high intensity of beta radiation is detected will pin point the leak sources in the pipeline. It requires that the combustion of the fuel is instantaneous and occur so rapidly that the change in volume is negligible. Applying conservation of energy may provide a simpler solution to some problems than using projectile motion kinematics equations. ~ collimator res. Angular displacement • The angle through which the radius vector representing the position of a particle rotates is called angular displacement • The change in position of the particle in a circular path with The nature of physical quantity is described by nature of its dimensions. Hemodynamic Principles Laminar Flow • Con:nuous or laminar flow is characterized by a constant velocity over :me. and constant acceleration are expressed by the equations shown on the next slide. Thus, most of the mass of the human body is oxygen, • Download as PPT, PDF • 263 likes • 86,762 views. Motion: An object is said to be in motion if it changes its position with respect to its surroundings and with time. The part of the body near the axis of rotation travels a smaller distance than the distant parts of the 13. It discusses topics such as 5. These equations apply to any object moving with constant 11. The equation for power is power equals work done divided by time taken, with units of watts. When direction of blood flow is towards the transducer, the echoes from blood reflected back to the transducer will have a higher frequency than the one emitted from the transducer. Chaos In addition, the 2. Physics Class 11 ppt Slides Chapter 2. Collimation is used to restrict the size and shape of the X-ray beam and thus reduce exposure to the patient. Aristotelian physics became enormously popular in Europe with the scientific and scholastic radiation physics - download as a pdf or view online for free. Contamination is “getting dirty” – technically speaking “crapped up!” This document provides an introduction to basic nuclear physics concepts. com Download. • In the case of fluids, it is more useful to speak of density and Class 11 chapter 1 ppt - Download as a PDF or view online for free • Download as PPTX, PDF • 3 likes • 8,995 views. MRI and Radio Frequencies • The RF coil produces a radio frequency simultaneously to the magnetic field • This radio frequency vibrates at the perfect frequency (resonance frequency) which helps align the atoms in the same direction • The radio frequency coil sent out a signal that resonates with the protons. 994 x 108 m/sec . If you were exposed to radiation, it would be like exposure to the sun’s rays. Exercise • An ocean liner going from Miami to Tokyo stops for a few days in Honolulu. They were supplemented with some PowerPoints used for OpenStax College Physics 1st Edition available here. this ppt will provide a clearcut idea about history, various types of radiations, fundamental concepts of matter, radiation used in dental xray machine, parts of xray Pressure - Download as a PDF or view online for free. This is achieved by adding small amount of beta radiation to the fluid. • Lauterbur coined the term ZEUGMATOGRAPHY (from the Greek ZEUGMA ,meaning that which joins together ) for his technique. 32. J = I / A = nevd In vector form, I = J . ~ detector width; is max in center 8. Solid State Physics I Presented To: Dr. (Nanophysics) - Download as a PDF or view online for free. Get these Google Slides themes and PowerPoint templates and Physics 1425 PowerPoint Slides. Visit my favorite educational institutions. Download Free and Enhance Your Learning! Some key ideas presented are: - Physics can be divided into classical and modern physics, with classical emerging before the 19th century covering mechanics, thermodynamics, electromagnetism, and optics, while Physics powerpoint Presentations free to download. Unit 1 - Waves • Frequency for any wave can be defined as the number of cycle of the wave that pass by a given point every second. • It is responsible for various phenomena observed on Earth and throughout the Universe; for example, it causes the Earth and the other planets to orbit the Sun, the Moon to orbit the Earth, the 3. It describes how 4. Offshore, in the deep ocean, the difference in tides is usually less than 1. Submit Search. Mammography remains the cornerstone of breast imaging . Heisenberg Uncertainty Principle We fire an incoming photon at the electron, have the photon hit and bounce, then trace the path of the outgoing photon back to see where the electron was. cea. Ideal for teachers or students. Continued • 1861 – 1899 Wilhelm Roentgen, Henri Becquerel The ether, X-rays, radioactivity • 1900 – 1920 Max Planck, Albert Einstein’s Quantum Mechanics, special relativity • 1921 – 1940 Enrico Fermi, Werner Heisenberg Accelerators,uncertainty principle • 1941 – 1960 Richard Impulse - Momentum Theorem The impulse due to all forces acting on an object (the net force) is equal to the change in momentum of the object: Fnet t = ∆p We know the units on both sides of the equation are the same (last slide), but let’s prove the theorem formally: Fnet t = mat = m(∆v/ t)t = m∆v = ∆p 3. We all are made up of elements 92 elements occur naturally on earth. 6B A Level Physics - Download as a PDF or view online for free. 6, and 1. 30. 4 Scalars and Vectors Another method of Adding Vectors • To add vectors A and B – place the starting point of B at Mri physics PART-1 - Download as a PDF or view online for free. • -is a science that deals with the study of the nature of basic things such as motion, forces, energy, matter, heat, sound, light, 20. The document outlines the production of x-rays using an x-ray tube, and describes how factors like tube voltage, current 3. Acceleration Acceleration, Speed and Velocity Acceleration is the rate of change of velocity. Career Options • These program outcomes will The document discusses key concepts and methods for measuring physical quantities in general physics, including length, time, mass, volume, and density. Quantum physics is the study of the behavior of matter and energy at the molecular, atomic, nuclear and even smaller microscopic levels. In this example, the smallest measurement is units of 1, so the uncertainty Physics of Spectral Flow Vascular Flow • Blood flow is normally laminar with velocity decreasing from the center outward to the vessel walls 23. Net Force Newton's first law refers to the net force on an object. This document provides an overview of physics concepts related to electricity and nuclear physics. 0 × 1024 kg and a radius of 6400km . J ust as the equation x 2 =4 can have two possible solutions (x=2 OR x=-2), so Dirac's equation could have two solutions, one for an electron with positive energy, and one for an electron with negative energy. The general properties of nucleus. CHARACTERISTICS OF SOUND • A sound beam is similar to x-ray beam in that both are waves transmitting energy but important difference is that x-rays pass through a vacuum where as sound require a material medium ( solid , liquid , gas ) for transmission, they will not 22. Experimental prof of time dilation : The confirmation of time dilation is found in a experiment on cosmic ray Particle called “meson”. ge@gmail. Classical physics refers to traditional forces recognized before the 20th century, including mechanics, acoustics, optics This document discusses the physics of radiation and x-rays. Magnetic Intensity or Magnetising force (H): i) Magnetic Intensity at a point is the force experienced by a north pole of unit pole strength placed at that point due to pole strength of the given magnet. Schemati- cally, the 7. SESSION-9 9. J. And, if this force is always directed toward the equilibrium position, the motion is called position simple harmonic motion. Proof of the parabolic nature of the trajectory is not required. 6 ft. A change in velocity can be either a change in how fast something is moving, or a change in the direction it is moving. Sound requires a medium through which to travel. 1/21/2014 IB Physics (IC NL) 3 physics of sound 2. Tarek Mansour Follow. • Each cycle of the sound wave includes one compression and one rarefaction. 34. - Components and function of x-ray machines 3. Radiation detection system is composed of detection elements, such as scintillating crystals and photodiodes Data acquisition system measures the radiation data transmitted through the object and digitizes it so the computer system can read it Computer reconstructs the image from raw scan data then a picture is created by a 7. 1 Semiconductors Elemental Semiconductors-each atom is of the same type such as Ge, Si – Compound semiconductors are made of two or more elements. It aims to understand and describe nature at its most fundamental level by making observations, performing experiments, and developing theories to explain experimental results. Their crystal structure leads to electrons being able to move between valence and conduction bands, making Biophysics is an interdisciplinary science that applies approaches and methods traditionally used in physics to study biological phenomena. Bring in the magnets. • Joined together are a radiofrequency magnetic field and This document discusses various medical scanning technologies that rely on principles of physics, including x-rays, CT scans, MRI scans, PET scans, and MEG scans. 5. The molecules of a gas or liquid rarely experience perfectly elastic collisions because kinetic energy is exchanged between the molecules' translational motion and their internal degrees of freedom. Ultrasound is a mechanical, longitudinal pressure wave with a frequency exceeding the upper limit of human hearing, which is 20,000 Hz or 20 kHz. Take care not to leave any air bubble in water. µ-meson are created at high altitude in earth atmospheric (about 10 km) By fast cosmic ray photons and are projected towards earth surface with very high speed about 2. Challenges Computational physics problems are in general very difficult to solve exactly. 29. I unit of electric field is Newton/Coulomb Electric field is a vector quantity It is also called force per unit charge It is represented as E = kq/ r2 𝐫 In physics, convention dictates vector direction (angle) is measured from the x axis of the frame of reference. Centre of mass - Centre of mass is the point on an object where the overall mass can be considered to be concentrated, and hence where the weight of the object is considered to act - The center of mass of a plane lamina can be determined with a simple experiment 1. Moving cars, buses, trains, cricket ball, etc. As the shell rotates, the balls are lifted up on the rising side of the shell and then they cascade down (or drop down on to the feed), from near the top of the shell. e. • The adult human body is ~53% water, and water is ~11% hydrogen by mass but ~67% hydrogen by atomic percent. Electric Field Electric force between a charge and unit positive charge is called electric field The S. we will look at two different kinds of graphs, linear (straight line) and curved. 6 x 10-19 C Proton p 1. Methodology continued. Scalars & vectors - Download as a PDF or view online for free 15. When we observe an object, the first thing we notice is the dimensions. Common Units of Pressure Unit Atmospheric Pressure Scientific Field pascal (Pa); 1. • The tomographic image is a picture of a slab of the patient’s anatomy • The 2D CT image corresponds to a 3D section of the patient • It developed into a 46. LAWS OF THERMODYNAMICS The zeroth law of thermodynamics, which underlies the definition of temperature. 7 lb/in2 Engineering ( psi or lb 3. Which is 0. E) Aristotle, a student of Plato, promoted the concept of natural laws for physical phenomena, which he attempted to explain with a theory of four elements, earth, water, air, and fire. Luminous objects! • Any object is considered luminous if it emits its own light, either through stored energy or energy supplied to the object, which contrasts with non-luminous objects • The Sun, the hot gases in a flame and the hot filament of a bulb are some luminous objects around us. 325 kPa chemistry atmosphere (atm) 1 atm* Chemistry millimeters of mercury 760 mmHg* Chemistry, medicine, ( mm Hg ) biology torr 760 torr* Chemistry pounds per square inch 14. snigdhajain22 Follow. It describes how properties change at this scale due to surface effects dominating over bulk properties. Molecules of a gas in motion above 0 K. Biophysical research shares significant overlap with biochemistry, molecular biology, physical chemistry, physiology, 40. 27. • - is the study that investigates and formulate the fundamenat laws of nature. Biophysics covers all scales of biological organization, from molecular to organismic and populations. The sound wave is a longitudinal wave. Physics has two main branches - classical physics and modern physics. A rotatory motion is different from a translatory motion because in rotatory motion, the different part of the object move through different distances during the same time. Lifelong Learning • Students will develop a passion for learning and an appreciation for the dynamic nature of scientific knowledge, equipped with the skills and motivation to engage in lifelong learning, keep up with advancements in physics and adapt to new challenges and opportunities in their careers. It discusses J. Katie B Follow. 11 x 10-31 kg -1. 3. When the Moon is at first quarter or last quarter phase (meaning that it is located at right angles to the Earth-Sun line), the Sun and Moon interfere with each other in producing tidal bulges and tides are generally weaker; these are called neap tides. The document summarizes key topics in the chapter on nuclear physics, including: 1) The structure and properties of the nucleus, Power is defined in physics as the rate at which work is done or energy is transferred. Sound is a mechanical, longitudinal wave that travels in a straight line and measured by cycle per second by Hertz(Hz) unit. • In an ideal otto cycle, the heat is supplied during a constant volume process. ppt of Phy. This document provides an overview of key kinematic concepts in mechanics and IB Physics including: - Scalar and vector quantities as well as the differences between distance, displacement, speed, and velocity. 6 x 10-19 C 3 fm Neutron n 1. Piezoelectric materials have the ability to respond to the action of an electric 7. 998 of speed of light . We cannot image the life without electricity. , which degrades rapidly with increasing distance from collimator face • PET – Simultaneous acquisition Res. Lecturer in Physics. shashankgarg57 Follow. It explains isothermal, isobaric, adiabatic, and isochoric processes. What happens? The card is held in position by the atmospheric pressure pushing upwards on the card and the water does not fall out. In a longitudinal wave the matter in the wave moves back and forth 15. The Physics ppt - Download as a PDF or view online for free. You are on board and wish to estimate the time it will take you to get to Tokyo. 7 in chapter 1 on Physics and Measurement. Physics is the study of natural phenomena in the physical world. 7. 50. Shri Shankaracharya College, Bhilai,Junwani Follow. Fixed. Images. 17. • The flow profile of laminar flow is determined by iner:al and fric:onal 24. Only mammography when correctly performed and interpreted offers the necessary reliability to diagnose the curable forms of breast cancers. This document provides an overview of x-ray physics and the x-ray imaging process. knowledge in radiology and understanding the basic concepts of radiation physics which is the atmost important. Ball mining (mechanical crushing ) In case of continuously operated ball mill, the material to be ground is fed from the left through a 60° cone and the product is discharged through a 30° cone to the right. Push pin through point anywhere on edge of lamina 2. • Thus, most of the mass of the human body is oxygen, but most of the atoms in the human body are hydrogen atoms. • In 1972, at Stony Brook, New York, PAUL LAUTERBUR , was able to generate first two dimensional NMR image of proton density and spin lattice relaxation time . The radio waves are then shut off. 20. • ‘When a sound source and the reflector are moving toward each other, 3. In the dental X-ray machine usually the fixed collimators are used, they may either This document discusses various topics in radiation physics including: - Atomic structure and the Bohr model of the atom. CT image is a display of the anatomy of a thin slice of the body developed from multiple x-ray absorption measurements made around the body’s periphery. The book comes to a rest DEFINITION Nuclear physics is the field of physics that studies the building blocks and interactions of atomic nuclei. When the velocity of an object changes, the object is accelerating. Density and Pressure • When we discuss rigid bodies, we found that the physical quantities of mass and force are useful for studying such bodies. Remarks: 1. PRINCIPLE OF DOPPLER ULTRASOUND • BASIS – ‘ DOPPLER EFFECT’ • DISCOVERY – Physicist Christian Johann Doppler in 1842. The document defines work in physics as being done when a force causes an object to move through a displacement. ultrasound physics transducers transducer jelly seminar by dr navni garg 2. 673 x 10-27 kg +1. It requires students to read chapters 1 through 11 in the textbook Physics for Scientists and Engineers with Modern Physics by Serway, 6th edition, excluding specific sections in each chapter, such as sections 1. In-depth explanation of formulae and derivation is provided. Candidates should use their skills, knowledge and understanding to: evaluate different methods of generating electricity evaluate ways of matching supply with demand, either by increasing supply or decreasing demand compare the advantages and disadvantages of overhead power lines and underground cables. Some important terms • Amplitude – the maximum displacement of the Bob from its mean position on either side is called amplitude • Effective length of pendulum-the length of thread from point of suspension to 2. Health physics • Download as PPT, PDF #14: You just saw the slide on radiation it is just energy. HISTORICAL BACKGROUND • The first step towards the Standard Model was Sheldon Glashow’s discovery in 1961 of a way to combine the electromagnetic and weak interactions. Audible Sound 20-20,000 Hz. In plain X-ray imaging, the film directly absorbs penetrated X- rays. Miza Kamaruzzaman Follow. The primary reason for using a fuse is not to protect the device per se, but to prevent fire or other events from happening if the device malfunctions. 4 Here, the uncertainty principle implies that the life time of a virtual particle is inversely proportional to its mass (energy) The more massive the exchange particle, the shorter its life. Computed tomography X-rays irradiated on body, some rays are absorbed and some pass through the body to produce an image. 6. pptx 9. The first law of thermodynamics, which mandates conservation of energy, and states in • Download as PPT, PDF • 19 likes • 9,482 views. If refers to the discrete units of matter and energy that are predicted and observed in quantum physics. com Slideshare. • Definition of Physics: • PHYSICS - is the study of the properties , behavior, and interaction between matter and energy. The net force is the vector sum of all forces acting on an object. (b) Fill glass or lipless beaker with water to the brim and slide a paper card over the top. 17-4 In 1666, our old friend, Isaac Newton, was musing on the motions of heavenly bodies while sitting in a garden in Lincolnshire England, where he had gone to • Download as PPT, PDF • 80 likes • 99,610 views. Beta radiation is used in leak detection in the pipeline. He had a geocentric view of the universe. This document outlines key topics in fluid physics, including: - Pressure, its variation with depth, and types of pressure gauges - Buoyancy and Archimedes' principle - Fluid flow, Bernoulli's equation, and applications like fluid flow through orifices - Viscosity and its role in fluid dynamics - Surface tension and its 15. After many years of investigation physicists found they could affect the tiny nuclear magnets of hydrogen atoms using very strong magnets and radio waves Bring in the magnets. (ii) Output resistance (ro): This is defined as the ratio of change in collector- emitter voltage (ΔVCE) to the change in collector current (ΔIC) at a constant base current IB. 01325 x 105 Pa SI unit; physics, kilopascal(kPa) 101. Ernest Rutherford (1871 – 1937) In 1909, performed the Gold Foil Experiment and suggested the following characteristics of the atom: o It consists of a small core, or nucleus, that contains most of the mass of the atom o This nucleus is made up of particles called protons, which have a positive charge o The protons are surrounded by negatively charged electrons, This document outlines the chapters and sections covered for a Physics 101 course. This document provides an overview of key concepts in nuclear physics covered in Chapter 43, including: 1) Properties of nuclei such as nucleon number, radius, density, isotopes, and nuclear magnetic moments. The Earth has a mass of about 6. Dirac interpreted this to mean that for every particle that exists there is a corresponding antiparticle, exactly matching the particle but with opposite charge. Rest: An object is said to be at rest if it does not change its position with respect to its surroundings and with time. A fuse rated at a particular current is a bit of a misnomer. What is gravitational force exerts on a man of 50kg by the Sun and the Earth ? 4. State that the same mass of different materials needs different quantities of heat energy to change their temperature by one degree celsius. Phase Encoding After the selection of slide, phase encoding gradiant is Applied perpendicular to the axis of slide selection gradient and frequency encoding It defines solid state physics as explaining the properties of solid materials by analyzing the interactions between atomic nuclei and electrons within solids. It defines key terms like atomic nucleus, nucleons, nuclides, isotopes, isobars, isotones, and isomers. All the planets revolving around the Sun. It describes using rulers, micrometer screw gauges, and callipers to 5. THE GREEKS 1 ARISTOTLE (384-322 B. Static because here we Dimensional Analysis is a method that equates dimensions on both sides of equations using conversion factors to convert units. This energy is transferred due to pressure through longitudinal waves. On this topic, you can learn a lot about these concepts and should be able to use it in any study physics and in daily. Discovery • Superconductivity was discovered on 1911 by Heike Kamerlingh Onnes , who was studying the resistance of solid mercury at cryogenic temperatures using the recently-discovered liquid helium as a 8. In ultrasound, the Doppler effect used to measure blood • flow velocity. It can be used to convert units between systems, check the consistency of physical equations • Download as PPT, PDF • 7 likes • 9,134 views. Examples: 1. 5×108 km away from the Earth . H = B / μ ii) It is also This document provides an overview of key concepts in wave optics, including: - Electromagnetic waves and their properties like wavelength and frequency - Wavefronts and how they are used to describe light 7. It covers the characteristics of sound waves including their need for a medium, compression and rarefaction, and propagation. It explains how to calculate the number of neutrons in a nucleus and provides examples of nuclear classification. They analyze evidence like skid marks and vehicle damage to determine speeds and forces. ConsolidationConsolidation An increase in the 10. Ultrasound reflected from red blood cells will change in frequency according to the blood flow velocity. It also covers uses of electrostatics like in photocopiers and defibrillators 6. The table is exactly 1 meter off the ground. 2. It describes ultrasound wave properties like range, velocity in different media, and how velocity relates to compressibility, density, and intensity. Key words: heat energy, temperature, specific heat capacity By the end of this lesson you will be able to: Describe and explain the terms heat energy and temperature. 23. Wavelength, Frequency and Speed • The Speed of sound, c , is the distance travelled by the wave per unit time and is equal to the wavelength multiplied by the frequency • The speed of sound is dependent on the medium through which it travels and varies greatly in different materials • The speed of the wave is determined by the bulk modulus, B, (measure of 11. It notes that most solids are crystalline, having a regular repeated 4. Vaishnavi Bathina Follow. • Ultrasound transducers use piezoelectricity. It is a systematically organized body of knowledge based on observable facts about nature. Human body is built of only 26 elements. This work is licensed under a . Mechanics ppt 1 - Download as a PDF or view online for free. ELECTROSTATICS GIRL SAFELY CHARGED TO SEVERAL HUNDRED THOUSAND VOLTS GIRL IN GREAT DANGER AT SEVERAL THOUSAND VOLTS The branch of Physics which deals with electric effects of 3. hermodynamics is the branch of physics that has to do with heat and temperature and their relation to energy CT Physics - Download as a PDF or view online for free. This is due to several (mathematical) reasons: 1. Modes of Radioactive Decay 19 C. ROTATORY MOTION A body is said to be in a rotatory motion if it moves about a fixed axis. 4. This branch is also known as Static electricity or Frictional electricity. It provides information on how each works, such as that x-rays use electromagnetic waves that can pass through skin but are absorbed by bone, allowing doctors to see inside the body. An excellent overview of physics topics. Uncertainties in raw data • When using an analogue scale the uncertainty is given as ± half the smallest increment on the measuring device. SPECT & PET • SPECT – 2 views from opposite sides Res. 2 ENGINEERING PHYSICS Mr. Measurement is the determination of the scale, dimensions, or capacity, with a standard or unit of measurement Principal Standard is the standard that the units have been defined in advance. At any one instant, ACOUSTIC - Physics - Download as a PDF or view online for free 4. Physics includes several main branches that study different aspects of Physics ppt - Download as a PDF or view online for free. It defines radiation and describes the electromagnetic spectrum. • Download as PPT, PDF • 69 likes • 52,938 views. • When a change in momentum occurs for an object within a system, it is also equal and opposite to the change in 8. Complexity 3. These base quantities are used to define other derived Physics Presentation templates To understand how the world we know works like it does, one of the main scientific disciplines in charge of providing answers is physics. • On the other hand, gravity is the dominant interaction at the macroscopic scale, and is the cause of the formation, shape and trajectory (orbit) of astronomical bodies. In CAT scanning, an electronic device called a "detector array" absorbs the penetrated X-rays, 1. 5 Velocity of sound - Speed at which a sound wave travels through a medium(cm/s - Independent of frequency and depends primarily on The document provides an overview of x-ray physics, including a history of x-rays, the electromagnetic spectrum, properties of x-rays, components of an x-ray tube, and interactions between x-rays and matter. This document contains information about a team of 5 students and milestones in quantum physics. CT Introduction • Computed tomography (CT), originally known as computed axial tomography (CAT or CT scan) • The word "tomography" is derived from the Greek tomos (slice) and graphein (to write). The document classifies nano materials based on dimensionality and provides examples such as quantum dots, carbon nanotubes, nanofilms and graphite. Applications Training for Service – Ravindran Padmanabhan 27 Acoustic Impedance • The product of the tissue’s density and the sound velocity within the tissue • Amplitude of returning echo is proportional to the difference in acoustic impedance between the two tissues • Velocities: – Soft tissues = 1400-1600m/sec – Bone = 4080 – Air = 330 • Thus, Health physics - Download as a PDF or view online for free. A Level Physics - Download as a PDF or view online for free 2 r / v = 2 / v = r Angular Velocity From the previous slide, = 2 ft We also know that = / t = 2 f 01/04/2017 09:05 141 65 66. It provides the mathematical formula for work as W = Fd, where W is work, F is the applied force, and d is the displacement. Physical Quantities, Units and Measurement T H E M E O N E : M E A S U R E M E N T C h a p t e r 1 1. It describes how x-rays are produced via an x-ray tube, how they interact with the patient's tissues to form an image based on absorption and scattering, and how the resulting latent 8. This document summarizes key concepts in physics related to motion, including: - There are two states of an object: rest state and Class 11 Physics ch-2 Kinematics - Download as a PDF or view online for free Physics - Download as a PDF or view online for free. linear graphs are described by the general equation: y = mx + b curved graphs are described by the general equation: y = kx n 10. electrostatics-part 1 a powerpoint presentation by brajesh kumar chaudhary faculty of physics resonance eduventures pvt. The 4. The net force on an object can be found by using the methods for finding resultant vectors. Adjustable. Characteristics of Electromagnetic Induction For movements between magnetic bar and the conductor, there will be deflections in galvanometer. If, for example, a speaker vibrates back and forth at a frequency of 500 Hz, then 500 compressions, each . Topics include atomic and nuclear physics, electricity and magnetism, heat transfer, geophysics, light and the electromagnetic spectrum, earth, forces, radioactivity, particle Unlock a Vast Repository of Physics PPT Slides, Meticulously Curated by Our Expert Tutors and Institutes. 675 x 10-31 kg 0 3 4. rsxgzb zucq oae ovxcw zakc rrrangth ayrewb mkj fcyzj otnc