A Level Physics worksheet containing questions about the lesson: Capacitor Calculations (Charging & Discharging) Model Answers Included This worksheet covers the following content: -time constant of a capacitor–resistor circuit; τ = CR -equations of the form x = x₀e^-t/CR and x = x₀(1 - e^-t/CR) for capacitor–resistor circuits -exponential decay graph; constant-ratio property of such a graph. This is tailored for the OCR A specification, however, the versatile nature of this resource makes it suitable for other exam boards too. This resource is designed to help students apply their knowledge to questions. This active revision technique ensures that the worksheet will be very useful for students, and will act as a vital revision tool. Click on the links below to check out our FREE A Level Physics resources: Mass, Weight & Force Basics Lesson Net Forces & Equilibrium Lesson Moments & Torques Lesson Drag & Terminal Velocity Lesson Density, Pressure & Upthrust Lesson We really appreciate feedback on our resources so if you kindly leave a review down below, you will be able to claim any resource (up to the value of this resource) from our shop for FREE. Just email resourcify321@gmail.com with your username and your chosen resource. Your chosen resource will be sent to you within 24 hours.

A Level Physics worksheet containing questions about the lesson: Investigating Capacitors (Charging & Discharging) Model Answers Included This worksheet covers the following content: -charging and discharging capacitor through a resistor -techniques and procedures to investigate the charge and the discharge of a capacitor using both meters and data-loggers -the equation ΔQ/Δt = -Q/CR for a discharging capacitor This is tailored for the OCR A specification, however, the versatile nature of this resource makes it suitable for other exam boards too. This resource is designed to help students apply their knowledge to questions. This active revision technique ensures that the worksheet will be very useful for students, and will act as a vital revision tool. Click on the links below to check out our FREE A Level Physics resources: Mass, Weight & Force Basics Lesson Net Forces & Equilibrium Lesson Moments & Torques Lesson Drag & Terminal Velocity Lesson Density, Pressure & Upthrust Lesson We really appreciate feedback on our resources so if you kindly leave a review down below, you will be able to claim any resource (up to the value of this resource) from our shop for FREE. Just email resourcify321@gmail.com with your username and your chosen resource. Your chosen resource will be sent to you within 24 hours.

A Level Physics worksheet containing questions about the lesson: Capacitors in Circuits Model Answers Included This worksheet covers the following content: -total capacitance of two or more capacitors in series; 1/C = 1/C1 + 1/C2 + … -total capacitance of two or more capacitors in parallel; C = C1 + C2 + … -techniques and procedures used to investigate capacitors in both series and parallel combinations using ammeters and voltmeters. This is tailored for the OCR A specification, however, the versatile nature of this resource makes it suitable for other exam boards too. This resource is designed to help students apply their knowledge to questions. This active revision technique ensures that the worksheet will be very useful for students, and will act as a vital revision tool. Click on the links below to check out our FREE A Level Physics resources: Mass, Weight & Force Basics Lesson Net Forces & Equilibrium Lesson Moments & Torques Lesson Drag & Terminal Velocity Lesson Density, Pressure & Upthrust Lesson We really appreciate feedback on our resources so if you kindly leave a review down below, you will be able to claim any resource (up to the value of this resource) from our shop for FREE. Just email resourcify321@gmail.com with your username and your chosen resource. Your chosen resource will be sent to you within 24 hours.

A Level Physics worksheet containing questions about the lesson: Capacitors Model Answers Included This worksheet covers the following content: -capacitance; C = Q/V ; the unit farad -charging and discharging of a capacitor or capacitor plates with reference to the flow of electrons -p.d. against charge graph for a capacitor; energy stored is area under graph -energy stored by capacitor; W = 1/2QV, W = 1/2Q²/C, W = 1/2V²/C -uses of capacitors as storage of energy This is tailored for the OCR A specification, however, the versatile nature of this resource makes it suitable for other exam boards too. This resource is designed to help students apply their knowledge to questions. This active revision technique ensures that the worksheet will be very useful for students, and will act as a vital revision tool. Click on the links below to check out our FREE A Level Physics resources: Mass, Weight & Force Basics Lesson Net Forces & Equilibrium Lesson Moments & Torques Lesson Drag & Terminal Velocity Lesson Density, Pressure & Upthrust Lesson We really appreciate feedback on our resources so if you kindly leave a review down below, you will be able to claim any resource (up to the value of this resource) from our shop for FREE. Just email resourcify321@gmail.com with your username and your chosen resource. Your chosen resource will be sent to you within 24 hours.

This resource is a complete lesson that covers Foundations of Physics for the OCR A Level Physics A course. However, it is useful for other exam boards too. This lesson teaches the following content: -physical quantities have a numerical value and a unit -making estimates of physical quantities listed in this specification. -Système Internationale (S.I.) base quantities and their units – mass (kg), length (m), time (s), current (A), temperature (K), amount of substance (mol) -derived units of S.I. base units -checking the homogeneity of physical equations using S.I. base units -prefixes and their symbols to indicate decimal submultiples or multiples of units – pico ( p ), nano (n), micro (μ), milli (m), centi ( c ), deci (d), kilo (k), mega (M), giga (G), tera (T) -systematic errors (including zero errors) and random errors in measurements -precision and accuracy -absolute and percentage uncertainties when data are combined by addition, subtraction, multiplication, division and raising to powers -graphical treatment of errors and uncertainties; line of best fit; worst line; absolute and percentage uncertainties; percentage difference -scalar and vector quantities This lesson includes: -A full presentation including 9 example questions with worked solutions. -A worksheet with model answers, perfect to set as homework. -Clear visual aids and diagrams to simplify complex concepts. -Editable PowerPoint and Word document for easy customisation. Click on the links below to check out our FREE A Level Physics resources: Mass, Weight & Force Basics Lesson Net Forces & Equilibrium Lesson Moments & Torques Lesson Drag & Terminal Velocity Lesson Density, Pressure & Upthrust Lesson We really appreciate feedback on our resources so if you kindly leave a review down below, you will be able to claim any resource (up to the value of this resource) from our shop for FREE. Just email resourcify321@gmail.com with your username and your chosen resource. Your chosen resource will be sent to you within 24 hours.

This resource is a complete lesson that covers Medical Uses of Ultrasound for the OCR A Level Physics A course. However, it is useful for other exam boards too. This lesson teaches the following content: -ultrasound; longitudinal wave with frequency greater than 20 kHz -acoustic impedance of a medium; Z =  ρc -reflection of ultrasound at a boundary; Ir / I₀ =(Z₂ - Z₁)² / (Z₂ + Z₁)² -piezoelectric effect; ultrasound transducer as a device that emits and receives ultrasound -advantages and disadvantages of ultrasound in medical scans -ultrasound A-scan and B-scan -impedance (acoustic) matching; special gel used in ultrasound scanning -Doppler effect in ultrasound; speed of blood in the patient Δf/f = 2vcosθ/c for determining the speed v of blood. This lesson includes: -A full presentation including 3 example questions with worked solutions. -A worksheet with model answers, perfect to set as homework. -Clear visual aids and diagrams to simplify complex concepts. -Editable PowerPoint and Word document for easy customisation. Click on the links below to check out our FREE A Level Physics resources: Mass, Weight & Force Basics Lesson Net Forces & Equilibrium Lesson Moments & Torques Lesson Drag & Terminal Velocity Lesson Density, Pressure & Upthrust Lesson We really appreciate feedback on our resources so if you kindly leave a review down below, you will be able to claim any resource (up to the value of this resource) from our shop for FREE. Just email resourcify321@gmail.com with your username and your chosen resource. Your chosen resource will be sent to you within 24 hours.

This resource is a complete lesson that covers Medical Uses of Nuclear Radiation for the OCR A Level Physics A course. However, it is useful for other exam boards too. This lesson teaches the following content: -medical tracers; technetium–99m and fluorine–18 -gamma camera; components – collimator, scintillator, photomultiplier tubes, computer and display; formation of image -diagnosis using gamma camera -positron emission tomography (PET) scanner; annihilation of positron–electron pairs; formation of image -diagnosis using PET scanning. -microscopic and macroscopic risks of ionising radiation This lesson includes: -A full presentation including an example question with a worked solution. -A worksheet with model answers, perfect to set as homework. -Clear visual aids and diagrams to simplify complex concepts. -Editable PowerPoint and Word document for easy customisation. Click on the links below to check out our FREE A Level Physics resources: Mass, Weight & Force Basics Lesson Net Forces & Equilibrium Lesson Moments & Torques Lesson Drag & Terminal Velocity Lesson Density, Pressure & Upthrust Lesson We really appreciate feedback on our resources so if you kindly leave a review down below, you will be able to claim any resource (up to the value of this resource) from our shop for FREE. Just email resourcify321@gmail.com with your username and your chosen resource. Your chosen resource will be sent to you within 24 hours.

This resource is a complete lesson that covers X-Ray Imaging for the OCR A Level Physics A course. However, it is useful for other exam boards too. This lesson teaches the following content: -basic structure of an X-ray tube; components – heater (cathode), anode, target metal and high voltage supply -production of X-ray photons from an X-ray tube -X-ray attenuation mechanisms; simple scatter, photoelectric effect, Compton effect and pair production -attenuation of X-rays; I = I₀e^µx where µ is the attenuation (absorption) coefficient -X-ray imaging with contrast media; barium and iodine -computerised axial tomography (CAT) scanning; components – rotating X-tube producing a thin fan-shaped X-ray beam, ring of detectors, computer software and display -advantages of a CAT scan over an X-ray image. This lesson includes: -A full presentation including 2 example questions with worked solutions. -A worksheet with model answers, perfect to set as homework. -Clear visual aids and diagrams to simplify complex concepts. -Editable PowerPoint and Word document for easy customisation. Click on the links below to check out our FREE A Level Physics resources: Mass, Weight & Force Basics Lesson Net Forces & Equilibrium Lesson Moments & Torques Lesson Drag & Terminal Velocity Lesson Density, Pressure & Upthrust Lesson We really appreciate feedback on our resources so if you kindly leave a review down below, you will be able to claim any resource (up to the value of this resource) from our shop for FREE. Just email resourcify321@gmail.com with your username and your chosen resource. Your chosen resource will be sent to you within 24 hours.

This resource is a complete lesson that covers Fission Reactors for the OCR A Level Physics A course. However, it is useful for other exam boards too. This lesson teaches the following content: -understand what is meant by a chain reaction -basic structure of a fission reactor; components – fuel rods, control rods and moderator -environmental impact of nuclear waste This lesson includes: -A full presentation including an example question with a worked solution. -A worksheet with model answers, perfect to set as homework. -Clear visual aids and diagrams to simplify complex concepts. -Editable PowerPoint and Word document for easy customisation. Click on the links below to check out our FREE A Level Physics resources: Mass, Weight & Force Basics Lesson Net Forces & Equilibrium Lesson Moments & Torques Lesson Drag & Terminal Velocity Lesson Density, Pressure & Upthrust Lesson We really appreciate feedback on our resources so if you kindly leave a review down below, you will be able to claim any resource (up to the value of this resource) from our shop for FREE. Just email resourcify321@gmail.com with your username and your chosen resource. Your chosen resource will be sent to you within 24 hours.

This resource is a complete lesson that covers Nuclear Fission & Fusion for the OCR A Level Physics A course. However, it is useful for other exam boards too. This lesson teaches the following content: -induced nuclear fission -nuclear fusion; fusion reactions and why very high temperatures are required -balancing nuclear transformation equations. -energy released (or absorbed) in simple nuclear reactions -binding energy per nucleon against nucleon number curve; calculating energy changes in reactions This lesson includes: -A full presentation including 4 example questions with worked solutions. -A worksheet with model answers, perfect to set as homework. -Clear visual aids and diagrams to simplify complex concepts. -Editable PowerPoint and Word document for easy customisation. Click on the links below to check out our FREE A Level Physics resources: Mass, Weight & Force Basics Lesson Net Forces & Equilibrium Lesson Moments & Torques Lesson Drag & Terminal Velocity Lesson Density, Pressure & Upthrust Lesson We really appreciate feedback on our resources so if you kindly leave a review down below, you will be able to claim any resource (up to the value of this resource) from our shop for FREE. Just email resourcify321@gmail.com with your username and your chosen resource. Your chosen resource will be sent to you within 24 hours.

This resource is a complete lesson that covers Binding Energy for the OCR A Level Physics A course. However, it is useful for other exam boards too. This lesson teaches the following content: -mass defect; binding energy; binding energy per nucleon -binding energy per nucleon against nucleon number curve -binding energy of nuclei using ΔE = Δmc² and masses of nuclei This lesson includes: -A full presentation including 4 example questions with worked solutions. -A worksheet with model answers, perfect to set as homework. -Clear visual aids and diagrams to simplify complex concepts. -Editable PowerPoint and Word document for easy customisation. Click on the links below to check out our FREE A Level Physics resources: Mass, Weight & Force Basics Lesson Net Forces & Equilibrium Lesson Moments & Torques Lesson Drag & Terminal Velocity Lesson Density, Pressure & Upthrust Lesson We really appreciate feedback on our resources so if you kindly leave a review down below, you will be able to claim any resource (up to the value of this resource) from our shop for FREE. Just email resourcify321@gmail.com with your username and your chosen resource. Your chosen resource will be sent to you within 24 hours.

This resource is a complete lesson that covers Half-Life & Radioactive Dating for the OCR A Level Physics A course. However, it is useful for other exam boards too. This lesson teaches the following content: -half-life of an isotope; λt(1/2) = ln(2), including graphical determination of half life -techniques and procedures used to determine the half-life of an isotope such as protactinium -radioactive dating, e.g. carbon-dating. This lesson includes: -A full presentation including 3 example questions with worked solutions. -A worksheet with model answers, perfect to set as homework. -Clear visual aids and diagrams to simplify complex concepts. -Editable PowerPoint and Word document for easy customisation. Click on the links below to check out our FREE A Level Physics resources: Mass, Weight & Force Basics Lesson Net Forces & Equilibrium Lesson Moments & Torques Lesson Drag & Terminal Velocity Lesson Density, Pressure & Upthrust Lesson We really appreciate feedback on our resources so if you kindly leave a review down below, you will be able to claim any resource (up to the value of this resource) from our shop for FREE. Just email resourcify321@gmail.com with your username and your chosen resource. Your chosen resource will be sent to you within 24 hours.

This resource is a complete lesson that covers The Exponential Law of Decay for the OCR A Level Physics A course. However, it is useful for other exam boards too. This lesson teaches the following content: -activity of a source; decay constant λ of an isotope; A = λN -the equations A = A₀e^-λt and N = N₀e^-λt, where A is the activity and N is the number of undecayed nuclei -simulation of radioactive decay using dice -graphical methods and spreadsheet modelling of the equation ΔN/Δt = - λN for radioactive decay This lesson includes: -A full presentation including 4 example questions with worked solutions. -A worksheet with model answers, perfect to set as homework. -Clear visual aids and diagrams to simplify complex concepts. -Editable PowerPoint and Word document for easy customisation. Click on the links below to check out our FREE A Level Physics resources: Mass, Weight & Force Basics Lesson Net Forces & Equilibrium Lesson Moments & Torques Lesson Drag & Terminal Velocity Lesson Density, Pressure & Upthrust Lesson We really appreciate feedback on our resources so if you kindly leave a review down below, you will be able to claim any resource (up to the value of this resource) from our shop for FREE. Just email resourcify321@gmail.com with your username and your chosen resource. Your chosen resource will be sent to you within 24 hours.

This resource is a complete lesson that covers Nuclear Decay Equations for the OCR A Level Physics A course. However, it is useful for other exam boards too. This lesson teaches the following content: -nuclear decay equations for alpha, beta-minus and beta-plus decays -balancing nuclear transformation equations This lesson includes: -A full presentation including an example question with a worked solution. -A worksheet with model answers, perfect to set as homework. -Clear visual aids and diagrams to simplify complex concepts. -Editable PowerPoint and Word document for easy customisation. Click on the links below to check out our FREE A Level Physics resources: Mass, Weight & Force Basics Lesson Net Forces & Equilibrium Lesson Moments & Torques Lesson Drag & Terminal Velocity Lesson Density, Pressure & Upthrust Lesson We really appreciate feedback on our resources so if you kindly leave a review down below, you will be able to claim any resource (up to the value of this resource) from our shop for FREE. Just email resourcify321@gmail.com with your username and your chosen resource. Your chosen resource will be sent to you within 24 hours.

This resource is a complete lesson that covers Radioactive Decay for the OCR A Level Physics A course. However, it is useful for other exam boards too. This lesson teaches the following content: -radioactive decay; spontaneous and random nature of decay -causes of unstable nuclei -α-particles, β-particles and γ-rays; nature, penetration and range of these radiations -background radiation and ionising radiation -techniques and procedures used to investigate the absorption of α-particles, β-particles and γ-rays by appropriate materials This lesson includes: -A full presentation including 2 example questions with worked solutions. -A worksheet with model answers, perfect to set as homework. -Clear visual aids and diagrams to simplify complex concepts. -Editable PowerPoint and Word document for easy customisation. Click on the links below to check out our FREE A Level Physics resources: Mass, Weight & Force Basics Lesson Net Forces & Equilibrium Lesson Moments & Torques Lesson Drag & Terminal Velocity Lesson Density, Pressure & Upthrust Lesson We really appreciate feedback on our resources so if you kindly leave a review down below, you will be able to claim any resource (up to the value of this resource) from our shop for FREE. Just email resourcify321@gmail.com with your username and your chosen resource. Your chosen resource will be sent to you within 24 hours.

This resource is a complete lesson that covers Quarks & Antiquarks for the OCR A Level Physics A course. However, it is useful for other exam boards too. This lesson teaches the following content: -simple quark model of hadrons in terms of up (u), down (d) and strange (s) quarks and their respective anti-quarks -quark model of the proton (uud) and the neutron (udd) -charges of the up (u), down (d), strange (s), anti-up (u), anti-down (d) and the anti-strange (s) quarks as fractions of the elementary charge e -beta-minus (β-) decay; beta-plus (β+) decay -quark confinement -β– decay in terms of a quark model; d -> u + (β–) + v̅ -β+ decay in terms of a quark model; u -> d + (β+) + v -balancing of quark transformation equations in terms of charge -decay of particles in terms of the quark model. This lesson includes: -A full presentation including an example question with a worked solution. -A worksheet with model answers, perfect to set as homework. -Clear visual aids and diagrams to simplify complex concepts. -Editable PowerPoint and Word document for easy customisation. Click on the links below to check out our FREE A Level Physics resources: Mass, Weight & Force Basics Lesson Net Forces & Equilibrium Lesson Moments & Torques Lesson Drag & Terminal Velocity Lesson Density, Pressure & Upthrust Lesson We really appreciate feedback on our resources so if you kindly leave a review down below, you will be able to claim any resource (up to the value of this resource) from our shop for FREE. Just email resourcify321@gmail.com with your username and your chosen resource. Your chosen resource will be sent to you within 24 hours.

This resource is a complete lesson that covers Particles & Antiparticles for the OCR A Level Physics A course. However, it is useful for other exam boards too. This lesson teaches the following content: -particles and antiparticles; electron–positron, proton-antiproton, neutron-antineutron and neutrino-antineutrino -particle and its corresponding antiparticle have same mass; electron and positron have opposite charge; proton and antiproton have opposite charge -classification of hadrons; proton and neutron as examples of hadrons; all hadrons are subject to both the strong nuclear force and the weak nuclear force -classification of leptons; electron and neutrino as examples of leptons; all leptons are subject to the weak nuclear force but not the strong nuclear force -Einstein’s mass–energy equation; ΔE = Δmc² -creation (i.e. pair production) and annihilation of particle–antiparticle pairs This lesson includes: -A full presentation including 3 example questions with worked solutions. -A worksheet with model answers, perfect to set as homework. -Clear visual aids and diagrams to simplify complex concepts. -Editable PowerPoint and Word document for easy customisation. Click on the links below to check out our FREE A Level Physics resources: Mass, Weight & Force Basics Lesson Net Forces & Equilibrium Lesson Moments & Torques Lesson Drag & Terminal Velocity Lesson Density, Pressure & Upthrust Lesson We really appreciate feedback on our resources so if you kindly leave a review down below, you will be able to claim any resource (up to the value of this resource) from our shop for FREE. Just email resourcify321@gmail.com with your username and your chosen resource. Your chosen resource will be sent to you within 24 hours.

This resource is a complete lesson that covers The Nucleus for the OCR A Level Physics A course. However, it is useful for other exam boards too. This lesson teaches the following content: -relative sizes of atom and nucleus -strong nuclear force; short-range nature of the force; attractive to about 3 fm and repulsive below about 0.5 fm -radius of nuclei; R = r₀A^1/3 where r₀ is a constant and A is the nucleon number -mean densities of atoms and nuclei. This lesson includes: -A full presentation including 2 example questions with worked solutions. -A worksheet with model answers, perfect to set as homework. -Clear visual aids and diagrams to simplify complex concepts. -Editable PowerPoint and Word document for easy customisation. Click on the links below to check out our FREE A Level Physics resources: Mass, Weight & Force Basics Lesson Net Forces & Equilibrium Lesson Moments & Torques Lesson Drag & Terminal Velocity Lesson Density, Pressure & Upthrust Lesson We really appreciate feedback on our resources so if you kindly leave a review down below, you will be able to claim any resource (up to the value of this resource) from our shop for FREE. Just email resourcify321@gmail.com with your username and your chosen resource. Your chosen resource will be sent to you within 24 hours.

This resource is a complete lesson that covers Atomic Structure for the OCR A Level Physics A course. However, it is useful for other exam boards too. This lesson teaches the following content: -Rutherford’s alpha-particle scattering experiment; evidence of a small charged nucleus and conclusions of this experiment -simple nuclear model of the atom; protons, neutrons and electrons -proton number; nucleon number; isotopes; -standard notation for the representation of nuclei This lesson includes: -A full presentation including an example questions with a worked solution. -A worksheet with model answers, perfect to set as homework. -Clear visual aids and diagrams to simplify complex concepts. -Editable PowerPoint and Word document for easy customisation. Click on the links below to check out our FREE A Level Physics resources: Mass, Weight & Force Basics Lesson Net Forces & Equilibrium Lesson Moments & Torques Lesson Drag & Terminal Velocity Lesson Density, Pressure & Upthrust Lesson We really appreciate feedback on our resources so if you kindly leave a review down below, you will be able to claim any resource (up to the value of this resource) from our shop for FREE. Just email resourcify321@gmail.com with your username and your chosen resource. Your chosen resource will be sent to you within 24 hours.

This resource is a complete lesson that covers Uses of Electromagnetic Induction for the OCR A Level Physics A course. However, it is useful for other exam boards too. This lesson teaches the following content: -simple a.c. generator -simple laminated iron-cored transformer; Ip/Is = Vs/Vp = ns/np for an ideal transformer (including the derivation of this equation) -techniques and procedures used to investigate transformers. This lesson includes: -A full presentation including 2 example questions with worked solutions. -A worksheet with model answers, perfect to set as homework. -Clear visual aids and diagrams to simplify complex concepts. -Editable PowerPoint and Word document for easy customisation. Click on the links below to check out our FREE A Level Physics resources: Mass, Weight & Force Basics Lesson Net Forces & Equilibrium Lesson Moments & Torques Lesson Drag & Terminal Velocity Lesson Density, Pressure & Upthrust Lesson We really appreciate feedback on our resources so if you kindly leave a review down below, you will be able to claim any resource (up to the value of this resource) from our shop for FREE. Just email resourcify321@gmail.com with your username and your chosen resource. Your chosen resource will be sent to you within 24 hours.