Physics 204

In quantum physics, observables are generally believed to be Hermitian, but there are several examples of non-Hermitian systems possessing real positive eigenvalues, particularly among open systems.

Physics 204. Department of Physics & Astronomy. SUMMER SESSION. Special Permission Numbers For General Physics 203/204 (B9 and H9 Online Sections Only) This website administers Special Permission Numbers (SPNs) for students interested in enrolling. in the Summer session (2024) offerings of the Online General Physics Sections (B9 and H9)

Physics 204 6.1 INTRODUCTION Electricity and magnetism were considered separate and unrelated phenomena for a long time. In the early decades of the nineteenth century, …

PHYSICS 204 Geometric Optics Lab Table 2: Converging Reflecting Surface Position of Object Beyond 2f (cm) At 2f (cm) Between 2f and f (cm) At f (cm) Between f and mirror (cm) d o d i h o h i Image: real, none, or virtual Image: inverted or upright Here image distance from reflecting surface is - d i (cm) and height of image is h i (cm).PHYS 204 at the University of Arizona (UA) in Tucson, Arizona. Mathematical techniques used in upper division physics courses. Complex numbers, Taylor series, coordinate systems, elementary probability, Fourier series, Linear algebra, vector operators, partial differential equations. Enrollment Requirements: MATH 223 and (PHYS 162H or 261H or 142 or 241 or 240 or 143).PHYS 204 SECTION(S): EXAMINATION: Practice Final. DATE: Exam Length: 3 hours. PAGES: 5. Including cover. …204. The Yukawa Particle and the Heisenberg Uncertainty Principle Revisited. 205. The Four Basic Forces. 206. Accelerators Create Matter from Energy. 207. ... Physics as it developed from the Renaissance to the end of the 19th century is called classical physics. It was transformed into modern physics by revolutionary discoveries made starting ...PHYS 204 at the University of Arizona (UA) in Tucson, Arizona. Mathematical techniques used in upper division physics courses. Complex numbers, Taylor series, coordinate systems, elementary probability, Fourier series, Linear algebra, vector operators, partial differential equations. Enrollment Requirements: MATH 223 and (PHYS 162H or 261H or 142 or 241 or 240 or 143).Hayley Alvarez Physics 204 Section GH Breylon Lab Report # 5 - Ray Optics INTRODUCTION Ray optics is described as a model of optics that delineates light propagation in terms of rays. Optics is the branch of physics that studies the behavior and properties of light, its interactions with matter and the instruments involved in the study of light. The materials used in this lab were: 1 ...1 Jesmely Baez B. Riley Physics 204 PR3 Emission Spectra Lab Report #7 14 May 2020 Introduction This laboratory experiment took place using an Boston University’s Emission Spectra Lab simulation. Atoms have several energy levels that electrons can transition across by absorbing or emitting photons. Absorption of photons brings the electron to a …S21 50:750:204 - General Physics II Instructor Dr. Julie Griepenburg E-mail [email protected] Phone 856-225-6293 Office Hours Virtual via web conferencing TBA Office CNS 216E Final Exam University scheduled final exam period Class meeting time: T & TH, 2:00 p.m. - 3:20 p.m via BigBlueButton on Canvas during remote learning

Overview. PHYS 204 is an introductory calculus-based physics course recommended for science, engineering, and pre-med students. The course covers material on classical mechanics as outlined below. It also includes a laboratory component that involves completing hands-on experiments. In addition to the eText, the course material includes a ...Course Description and Learning Outcomes a- Course description: Physics 204 is the second part of a three-semester non-calculus introductory course in physics designed primarily for students in the life sciences. This course is among the pre-medical study requirements and has Physics 103 (Physics for the Life Sciences: mechanics or any ...Grade 11. Grade 12. Solution For Physics 204 GH, GH2, GH3 First Examination October 4, 2017 Instructions: Write your Last name: L.D. First name: 1.30 points The speed of sound is 340 m/s. f = 200 Hz, 30 m/s f = 200 Hz, 3.View Physics 204 Lab 6.pdf from PHYSICS 204 at The City College of New York, CUNY. Lab 6 - Interference of Light Introduction The principle of superposition is one of the consequences of light's waveThe grade for the questions correctly solved in the first attempt will be worth 100%, those solved in the second attempt worth 75%, those solved in the third attempt worth 50%, and those solved in final fourth attempt worth 25%. The average online homework grade weights 20% of your final grade. Exams: There are two (2) midterm exams and one (1 ...

Atomic & Molecular Spectroscopy for Experimentalists I. 3. Spring (even years) 476. Methods of Mathematical Physics. 3. Fall (even years) 483. Methods of Experimental Physics IV. Sep 7, 2022 · Department of Physics Univ. of Rhode Island 2 Lippitt Road Kingston, RI 02881-0817 USA tel.: 401.874.2633/4 fax: 401.874.2380: 09/07/22: Baez 1 Jesmely Baez B. Riley Physics 204 PR3 Light as a Wave Lab Report #6 7 May 2020 Introduction The objective of this laboratory experiment was to understand how light is a type of wave by looking at its different characteristics. Light exhibits similar behaviors to those of waves including, reflection, refraction, diffraction, and interference, which has …PHYSICS 204 Induction Lab Move the compass around in order to determine what it is reacting to at this time. Turn the faucet on to get about 10 RPM on the turbine. What effect does this have on the compass and the wire/bulb? Increase rotation to about various amounts above 10RPM. Observe and explainStudy with Quizlet and memorize flashcards containing terms like The ratio of the voltage to the current in an electrical circuit is called _________., Across a given resistance the voltage decreases if the current (___)., Given I = electric current, R = resistance, V = electric potential, W = work, P = power, t = time, Q = electric charge and X^2 means X squared. Voltage is defined as and more.

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PHYS 204 - College Physics II - Acalog ACMS™. University of Wisconsin-Stevens Point 2100 Main Street Stevens Point, WI 54481-3897 715-346-0123 [email protected]. UW-Stevens Point at Marshfield 2000 W. 5th Street Marshfield, WI 54449 715-389-6530 [email protected] 204 - Practice Final -Solutions. 1. (c) Regardless of their motion along the x-axis (horizontal), the ball and the bullet go through free fall motion with along the y-axis (vertical). Hence, they both hit the ground at the same time (but at different locations). 4. (b) This is a completely inelastic collision, in which the momentum of the system conserves but the …Journal of Computational Physics 204(1):265-291; DOI:10.1016/j.jcp ... necessitating validation studies to ensure that all coupling parameters are effectively used and that the physics is ...The NEET NTA syllabus 2024 comprises of majorly three main subjects: Physics, Biology, and Chemistry. The NEET 2024 syllabus is revised and updated as per the latest requirements of the medical entrance exam. In each subject, some topics are removed and some are added by the national medical commission.Physics 203-204 fulfills all the physics requirements for science majors, as well as admission to health profession schools and graduate schools. It provides an excellent opportunity for learning physics, the fundamental science, in a comprehensive, challenging and rewarding way. Graduates of this course have gone on to distinguished careers in ...

Measure the current passing through the circuit using a 100 Ω resistor. Disconnect the multimeter from the circuit, and change the settings and lead configuration to know measure the voltage across the resistor. Make a table of data with all your measurements like the one shown below. Repeat for 3 (or 4) resistors.Select your favorites and start keeping up with Money. Already subscribed? Manage your Money subscriptions here. Connect Physical Address Money Group, LLC Lots 81-82 Street C Dorad...Physics 204 PR, PR2, PR3, PR4, PR5, PR6 Spring 2020 Instructor: Prof. Hernán A. Makse, Steinman Hall ST1M-12 ... Tu-Th 4:00--5:00 PM in Levich Institute, Steinman Hall ST1M-12 Textbook: Physics, Any edition by Cutnell and Johnson. Vol 1 and 2. Homework numbers refer to 8th edition posted in website TA: TBA Date: Reading assignment Homework.Class 11 Physics Syllabus in PDF. Here in this Section, we have mentioned the CBSE Class 11 Physics Syllabus in pdf format with an exam pattern. Students can check the Physics Syllabus in pdf for the academic year 2024-25. Download Class 11 Physics Syllabus in PDF.PHYS 204 Mechanics (3 credits) PHYS 206 (Pre-Requisite: PHYS 204) Waves, Optics, and Modern Physics (3 credits) BIOL 201 Introductory Biology (3 credits) PHYS 224 (Pre-Requisite: PHYS 204) Experimental Mechanics (1 …Hi I have my first general physics 204 exam with Croft this Sunday and honestly have no clue how to study. His lecture slides are so confusing. Would really appreciate if anybody has study material such as previous exams or anything really they wouldn't mind sharing!Exam I Formula Sheet Electric Forces and Electric Fields: 12 2 2 0 9 2 2 19 0 0 0 2 1 3 0 2 1 2 8 .85 10 / . 8 99 10 1 6 10 ( cos ) t charge... t s C N m k . N.m /CPhysics 203-204 fulfills all the physics requirements for science majors and graduate schools. It provides an excellent opportunity for learning physics, the fundamental science, in a comprehensive, challenging and rewarding way. Graduates of this course have gone on to distinguished careers in science, law, public service etc...Physics 204 GH2 Lab 4 Induction Introduction The following lab will allow students to measure induced current from changing magnetic fields. They will be allowed to use special equipment such as a galvanometer and oscilloscope. At the same time, they will verify equations that can help calculate things such as the magnetic flux in various coils used.

Department of Physics & Astronomy. SUMMER SESSION. Special Permission Numbers For General Physics 203/204 (B9 and H9 Online Sections Only) This website administers Special Permission Numbers (SPNs) for students interested in enrolling. in the Summer session (2024) offerings of the Online General Physics Sections (B9 and H9)

Physics Labs at City College Spring 2024. Labs are IN-PERSON. Which class are you in? Physics 207 Physics 208 Physics 203 Physics 204 Physics 103.In quantum physics, observables are generally believed to be Hermitian, but there are several examples of non-Hermitian systems possessing real positive eigenvalues, particularly among open systems.Physics Department: Learning Resource Center (LRC) Cutnell & Johnson Website: FINAL EXAM: Friday December 20th. Average. 20.7/30. 69.0% . Click HERE to login to the Grade-Book and obtain your exam score. SECOND EXAM: Sunday November 13th. Average. 10.7/15. 71.1%. Exam 2 Solutions.You probably spend too much of your day sitting. Join a walking group to get more physical exercise in your routine. Walking groups also present you with the opportunity to meet ne...Physics Wallah is India's top online ed-tech platform that provides affordable and comprehensive learning experience to students of classes 6 to 12 and those preparing for JEE and NEET exams. We also provide extensive NCERT solutions, sample papers, NEET, JEE Mains, BITSAT previous year papers, which makes us a one-stop solution for all resources.Physics 204/GH4/Lab 1. Sound Introduction. The purpose of this experiment is to explore the basic properties of sound and learn how to use basic data acquisition tools.Physics (PHYS) A descriptive and conceptual course in physics designed for the non-science major. Topics are selected from light, sound, motion, and astronomy to develop a necessary scientific attitude and background for today's society. There are two lectures and one-two hour laboratory per week. A descriptive and conceptual course in physics ...View Phys204 Final.pptx from PHYS 204 at DeVry University, Chicago. Phys204 Final Project By Keith Desso Introduction This project was our introduction to physics and the concepts involved. ... Jens Martensson Introduction This project was our introduction to physics and the concepts involved. It taught me about force, motion, energy, ...Physics Wallah Private Limited (commonly known as Physics Wallah; or simply PW) is an Indian multinational educational technology company headquartered in Noida, Uttar …Access study documents, get answers to your study questions, and connect with real tutors for PHYSICS 204 : 204 at Gurudas College.

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Physics 203-204 fulfills all the physics requirements for science majors, as well as admission to health profession schools and graduate schools. It provides an excellent opportunity for learning physics, the fundamental science, in a comprehensive, challenging and rewarding way. Graduates of this course have gone on to distinguished careers in ...General Physics 204. ... Summer Session: Physics Department: Learning Resource Center (LRC) Cutnell & Johnson Website: Course Material: Lecture and Recitation Material will be delivered online in the form of short, detailed snippets. You can watch the videos at your convenient time. Once the lecture/recitation material is made available, it ... Physics 203-204 fulfills all the physics requirements for science majors, as well as admission to health profession schools and graduate schools. It provides an excellent opportunity for learning physics, the fundamental science, in a comprehensive, challenging and rewarding way. Graduates of this course have gone on to distinguished careers ...Solutions to Practice Problems: Practice Exams: Electric Forces & Electric Fields. Electric Potential & Potential Energy. Electric Circuits. Magnetism. Electromagnetism. Electromagnetic Waves. The Reflection of Light.PHYS 204 Mechanics Topics include kinematics, Newton's law of motion, statics and dynamics, momentum and conservation of energy. Insitution: Concordia ... Physics 203-204 fulfills all the physics requirements for science majors, as well as admission to health profession schools and graduate schools. It provides an excellent opportunity for learning physics, the fundamental science, in a comprehensive, challenging and rewarding way. Graduates of this course have gone on to distinguished careers ...PHYSICS 204 Geometric Optics Lab Table 2: Converging Reflecting Surface Position of Object Beyond 2f (cm) At 2f (cm) Between 2f and f (cm) At f (cm) Between f and mirror (cm) d o d i h o h i Image: real, none, or virtual Image: inverted or upright Here image distance from reflecting surface is - d i (cm) and height of image is h i (cm).Months after announcing it would do so, Amazon has opened its first physical clothing store, Amazon Style, near the Greater Los Angeles Area. Signaling its ambitions to make a dent...11. (e) According to Equation 18.2, the force exerted on a charge by an electric field is proportional to the magnitude of the charge. Since the negative charge has twice the magnitude of the positive charge, the negative charge experiences twice the force.Chemical Physics 1996: Volume 204, Issue Index.Digitized from IA1653336-07.Previous issue: sim_chemical-physics_1996-03-01_203_3.Next issue:... Skip to main content. We will keep fighting for all libraries - stand with us! A line drawing of the Internet Archive headquarters building façade. An illustration of a magnifying glass. ... ….

Phys204_Lab4.docx. Physics 204 Experiment 4 Projectile Motion 111Equation Chapter 1 Section 1 DATA SHEET Name: Matt Jensen_ Date:9/16/17 _ (20 points) 1. (1 point) Paste the Vy-time plot with fit for the ball below. 2. (3 points) Enter three values for the vertical accelera. Solutions available. Physics 204(O) Experiment 2 There and Back: Concepts of Motion DATA SHEET Name: _Michael Baucom_ Date: _7/14/14_ 1. Paste the first position-time graph below. 2. Describe the difference between a position-time graph made by walking slowly away from the se Physics 204 GH2 Lab 7 Spectroscopy Introduction The following lab will introduce students to optical spectroscopy. Spectroscopy is the process of obtaining a spectrum from a physical process, or from a signal. The lab will consist of students obtaining a spectrum from a light source using a spectrometer and Ocean View application. Using these instruments will help those understand the ...Physics 203-204 fulfills all the physics requirements for science majors, as well as admission to health profession schools and graduate schools. It provides an excellent opportunity for learning physics, the fundamental science, in a comprehensive, challenging and rewarding way.Physics 203-204 fulfills all the physics requirements for science majors, as well as admission to health profession schools and graduate schools. It provides an excellent opportunity for learning physics, the fundamental science, in a comprehensive, challenging and rewarding way. Graduates of this course have gone on to distinguished careers in ...PHY-251: General Physics I. This course uses calculus-based mathematical models to introduce the fundamental concepts that describe the physical world. Topics include units and measurement, vector operations, linear kinematics and dynamics, energy, power, momentum, rotational mechanics, periodic motion, fluid mechanics, and heat.Physics 203-204 fulfills all the physics requirements for science majors, as well as admission to health profession schools and graduate schools. It provides an excellent opportunity for learning physics, the fundamental science, in a comprehensive, challenging and rewarding way. Graduates of this course have gone on to distinguished careers in ...Physics, BS. Physics majors are interested in understanding the nature of the physical universe. This interest may focus on more specific sub-areas, such as the physics of elementary particles; the properties of solid matter; or the evolution of stars, galaxies, and black holes. A successful physics major will develop analytical and problem ...The UW-Green Bay Mechanical Engineering program is housed in the newly constructed STEM Innovation Center building. Mechanical engineering is a diverse and flexible engineering discipline. Mechanical engineers work in number of fields including design of machinery, controls, vibrations and acoustics, power generation, renewable energy, energy ...11. (e) According to Equation 18.2, the force exerted on a charge by an electric field is proportional to the magnitude of the charge. Since the negative charge has twice the magnitude of the positive charge, the negative charge experiences twice the force. Physics 204, Physics 203-204 fulfills all the physics requirements for science majors, as well as admission to health profession schools and graduate schools. It provides an excellent opportunity for learning physics, the fundamental science, in a comprehensive, challenging and rewarding way. Graduates of this course have gone on to distinguished careers ..., Physics 204: Physics for Scientists and Engineers I is a calculus -based course that provides introduction to classical mechanics. PHYS 204, combined with . PHYS 205, gives the equivalent of one year in introductory physics recommended for science, engineering, and pre-med students ., General Physics Courses. A. Brahmia To submit a comment or report a problem with this site, please contact: abrahmia at physics.rutgers.edu ..., Physics 204 Info. Document Actions. Print this; Physics 204 Electric Circuits and Laboratory. For the Engineering / Advanced Physics Track A 4-credit course providing a basic and practical understanding of passive electrical circuits and computer-based data acquisition and analysis, including basic circuit laws, methods of ..., Physics 204 - College Physics II (Algebra-based) Syllabus Spring 2023 Course Information Course Name: Physics 204 - College Physics II (algebra-based; 5 credits) Course Schedule: Lectures: Monday, Tuesday, Wednesday, & Friday from 11:00 - 11:50 a.m. Laboratory: Online, Asynchronous Prerequisites: PHYS 203 (or equivalent) or consent of ..., General Physics 204. Hybrid Class. Fall 2023 Links: Home: Course Information : Syllabus: Grading Scheme: Announcements: Download Section; Final Exam Scores : Final Exam Formula Sheet: Lecture & Recitation Videos: Final Exam Review Session Videos: Jump to: Physics Department: Learning Resource Center (LRC), View Formal Report 3 PHY 204.docx from PHY 204 at CUNY John Jay College of Criminal Justice. Lab 3: A Video Creation for the Wave Equation Formal Report October 21, 2020 Physics 204-01 L1 Izadora ... 2020 Physics 204-01 L1 Izadora Flumignan Zétola Briana Gonzalez Casey Kim Introduction - Izadora. A wave is a disturbance that travels a distance ..., Physics 204 Curve . How much is the curve in physics 204? I got a 73 in my first midterm, can I still get an A in the class (reasonably)? This thread is archived ..., Courses. PHYS 1181. PROBLEMS IN MECHANICS. 1 Hour. Primarily an independent study course involving problem-solving in general technical mechanics. The objective ..., Your final standing in the class at the end of the semester will determine your grade. The grade distribution for this class will be as follows: The top 20% of the class (or 90% overall grade) will receive an A. The next 10% of the class (or 84% overall grade) will receive a B+. The next 20% of the class (or 77% overall grade) will receive a B., The following topics have been excluded from the updated NEET physics syllabus 2024: List of Deleted Topics from NEET Syllabus 2024 Physics. Rolling Motion. Reynold’s Number. Heat Engine & Refrigerator. Forced and Damped Oscillation. Doppler Effect. Van de Graaff Generator. Colour Coding of Resistors., Put the He discharge tube in the tube holder/power supply. Set up the spectrometer and cable to measure the light emitted from the tube. Turn on the power supply and make sure the tube is glowing. Adjust the collector so that you get a good spectrum. Press the pause button to pause the data acquisition., Journal of Computational Physics 204(1):265-291; DOI:10.1016/j.jcp ... necessitating validation studies to ensure that all coupling parameters are effectively used and that the physics is ..., Final Exam Physics 204 Spring 2016 Generic version with solutions PDF. Use it to guide into how exam would be formatted and to practice. University The City College of New York. Course. General Physics II (PHYS 20400) 64 Documents. Students shared 64 documents in this course. Academic year: 2015/2016., Graduate Physics (PhD) Prospective PhD Students. Resources Resources Back ... Close Physics 20400 Lab Manual > Home / The Division of Science / Physics / Physics 20400 Lab Manual. 204 Labs: Introduction: Lab 1: Standing Waves On Strings. Lab 2: Meters Ohms Law. Lab 3: Induction. Lab 4: Reflection, Refraction ..., PHYSICS 204 - Physics for Computer Science II, Section 1 Spring 2021 Aims of the Course: 1. To understand the principles of Physics that can help you design Computer Software and Hardware. 2. To give you experience in thinking to solve problems. Engineers solve (real world) problems. Lecture/Recitation: Tuesday & Thursday, 1:40 PM - 3:30 PM ..., PHYS 204 - General Physics II (Non-Engineering) (NSLD, GEEL) The second of two related courses (with PHYS 203) designed for pre-professional programs and for transfer to four-year institutions. The two-course series presents fundamental concepts and laws of physics with emphasis on principles and development of scientific methods applied to ..., View Final-exam-Physics-204-2020-Spring.pdf from PHYSICS MISC at University of Wisconsin, Madison. Final exam, Physics 204 Name Grading Notes Date & time Deadline Submit 50 points Please show your, Our instructors, who know PHYS 204 at Concordia inside and out, have put together extra resources specially formulated to boost you above the curve! On-Demand Mock Exam Learn More. A realistic practice exam based on past exams from your course. An instructor experienced with your course will walk through the solutions., Physics 204/GH4/Lab 3. Circuit Basics. Introduction. Ohm's Law is the ratio of the voltage across a piece of material to the current through the material (V/I) and R is the resistance of that material. The extent a wire or electrical device gives resistance to the flow of charge, it is called a resistor (Young & Stradler, 2014). An electric ..., If you are completing the Physics 203/204 sequence, you need to take either Math 111 or Math 225 before taking Physics 300. GPA Requirements The minimum grade point requirements to be met: A minimum grade of C must be attained in each course taken, and a minimum GPA of 2.75 among certificate courses must be attained., Physics 204A homepage. Welcome to the homepage for Dr. Ayars' sections of Physics 204A. The links at the left will take you to homework sets, homework keys, exams from previous semesters, and various other useful places. The Syllabus is over there, also. Homework is usually due on Mondays, so you'll want to get started on that right away., Physics 204/GH4/Lab 2. Standing Waves Introduction. Standing waves are the combination of two waves moving in opposing directions, which each have the same amplitude and frequency (Britannica, 2020). Nodes are points on a standing wave in which there is no movement (Britannica, 2020). Nodes can be found where both waves intersect., Check out The Organic Chemistry Tutor on YouTube, despite what the name of the channel implies, this guy has videos on many 200 level STEM classes. PHYS 204, PHYS 205, MATH 203, MATH 204, MATH 205, CHEM 205 to name a few. Besides that, if you have access to pass midterms and finals, definitely spend time on those. 1., PHYSICS 204 Geometric Optics Lab Table 2: Converging Reflecting Surface Position of Object Beyond 2f (cm) At 2f (cm) Between 2f and f (cm) At f (cm) Between f and mirror (cm) d o d i h o h i Image: real, none, or virtual Image: inverted or upright Here image distance from reflecting surface is - d i (cm) and height of image is h i (cm)., Mirror Physics - Mirror physics are explained in this section. Learn about mirror physics. Advertisement In order to understand mirrors, we first must understand light. The law of ..., In quantum physics, observables are generally believed to be Hermitian, but there are several examples of non-Hermitian systems possessing real positive eigenvalues, particularly among open systems., Baez 1 Jesmely Baez B. Riley Physics 204 PR3 Standing Waves Report #2 12 March 2020 Introduction The objective of this lab was to explore and understand the effect that oscillatory motions can have on the properties of standing waves. Standing waves can be defined as two waves that travel in opposite directions, as a result of a vibrational frequency., Physics 121 Lab Report. Lab 217: RC Circuits. Name: Group ID: Date of Experiment: Date of Submission: Course & Section #: Phys-121-104 Instructor's Name: Matias Daniel de Almeida. Partner's Names: Introduction: RC circuits is an abbreviated version of stating a circuit consisting of Resistors and Capacitors. Resistors in circuits are ..., Browse the PHY 204: Elementary Physics II (2021) Collections: PHY 204: Elementary Physics II -- Lecture Notes. PHY 204: Elementary Physics II -- Slides. , Physics Major Requirements. For the major in physics, there are four options available. In all physics major Options, at least 15 credits of physics courses at the 300-level or higher that are applied towards the major must be completed at Rutgers New Brunswick. ... Introductory courses: 01:750:203-204 (or any other equivalent sequence) and ..., Practice Exams: Electric Forces & Electric Fields. Electric Potential & Potential Energy. Electric Circuits. Magnetism. Electromagnetism. Electromagnetic Waves. The Reflection of Light. The Refraction of Light., Worked video solutions to past papers, summary notes and video tutorials for AQA, Edexcel and OCR Physics A-levels.