This resource is a complete lesson that covers Refractive Index & Total Internal Reflection for the OCR A Level Physics A course. However, it is useful for other exam boards too. This lesson teaches the following content: -refraction of light -refractive index; n = c/v -n1 sin θ1 = n2 sin θ2 at a boundary, where θ is the angle to the normal -techniques and procedures used to investigate refraction and total internal reflection of light using ray boxes, including transparent rectangular and semi-circular blocks -critical angle; sin C = 1/n -total internal reflection for light. 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 Conductors & I-V Characteristics for the OCR A Level Physics A course. However, it is useful for other exam boards too. This lesson teaches the following content: -Ohm’s Law & ohmic conductors -I–V characteristics of resistor, filament lamp, thermistor, diode and light-emitting diode (LED) -techniques and procedures to investigate the I-V characteristics of components. -negative temperature coefficient (NTC) thermistor; variation of resistance with temperature. -light-dependent resistor (LDR); variation of resistance with light intensity. -investigating the resistance of NTC thermistors -investigating the resistance of LDRs 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 EMF & Internal Resistance for the OCR A Level Physics A course. However, it is useful for other exam boards too. This lesson teaches the following content: -electromotive force (e.m.f.) of a source such as a cell or a power supply -distinction between e.m.f. and p.d. in terms of energy transfer -energy transferred; W = εQ -internal resistance -terminal p.d. and lost volts -the equations E = I(R + r) and E = V + Ir -analysis of circuits with more than one source of e.m.f. -techniques and procedures used to determine the internal resistance of a chemical cell or other source of e.m.f. This lesson includes: -A full presentation including 5 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 Power & Electrical Energy for the OCR A Level Physics A course. However, it is useful for other exam boards too. This lesson teaches the following content: -the equations P=VI, P=I2R and P=V2 / R -energy transferred; W = VIt -the kilowatt-hour (kW h) as a unit of energy; calculating the cost of energy. This lesson includes: -A full presentation including 6 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 Constant Acceleration for the OCR A Level Physics A course. However, it is useful for other exam boards too. This lesson teaches the following content: -displacement, instantaneous speed, average speed, velocity and acceleration. -the equations of motion for constant acceleration in a straight line, including motion of bodies falling in a uniform gravitational field without air resistance: v = u + at s = 1/2 (u + v) t s = ut + 1/2 at2 v2 = u2 + 2as -acceleration g of free fall. -techniques and procedures used to determine the acceleration of free fall using trapdoor and electromagnet arrangement. -independence of the vertical and horizontal motion of a projectile. -two-dimensional motion of a projectile with constant velocity in one direction and constant acceleration in a perpendicular direction. This lesson includes: -A full presentation including 5 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.

Comprehensive lesson containing a full PowerPoint presentation and worksheet. Model answers for the worksheet included The lesson outlines all the specification points of Poverty and Inequality (4.2) within the A level Edexcel Economics course (useful for other exam boards too) This lesson teaches the following content: -Absolute poverty vs relative poverty -Measures of absolute and relative poverty -Causes of changes in absolute and relative poverty -Wealth vs Income inequality -Measurements of income inequality - the Lorenz curve and the Gini coefficient -Causes of income and wealth inequality -Impact of economic development on inequality -Significance of capitalism for inequality Click on the links below to check out some of our FREE resources: Free Worksheets: Introduction to Economics Worksheet The Economic Problem Worksheet Production Possibility Frontiers Worksheet Specialisation & the Division of Labour Worksheet Types of Economy Worksheet Price Determination Worksheet National Income Worksheet Free Lessons: Introduction to Economics Lesson The Economic Problem Lesson Production Possibility Frontiers Lesson Specialisation & the Division of Labour Lesson Types of Economy Lesson Price Determination Lesson National Income 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 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 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 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 Simple Harmonic Motion for the OCR A Level Physics A course. However, it is useful for other exam boards too. This lesson teaches the following content: -displacement, amplitude, period, frequency, angular frequency and phase difference -simple harmonic motion; defining equation a =-ω²x -techniques and procedures used to determine the period/frequency of simple harmonic oscillations -solutions to the equation a = -ω²x e.g. x = Acosωt or x = Asinωt -velocity v = ± ω √ (A² - x²) hence vmax = ωA -the period of a simple harmonic oscillator is independent of its amplitude (isochronous oscillator) -graphical methods to investigate simple harmonic motion (mass of spring system). -interchange between kinetic and potential energy during simple harmonic motion -energy-displacement graphs for a simple harmonic oscillator 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 Circuits, Current & Potential Difference for the OCR A Level Physics A course. However, it is useful for other exam boards too. This lesson teaches the following content: -circuit symbols -drawing circuit diagrams -electric current as rate of flow of charge; I = Q / t -the coulomb as the unit of charge -the elementary charge e equals 1.6 × 10–19 C -net charge on a particle or an object is quantised and a multiple of e -current as the movement of electrons in metals and movement of ions in electrolytes -conventional current and electron flow -mean drift velocity of charge carriers -I = Anev, where n is the number density of charge carriers -distinction between conductors, semiconductors and insulators in terms of n. -potential difference (p.d.); the unit volt -energy transferred: W = VQ -energy transfer eV = 1/2 mv2 for electrons and other charged particles. This lesson includes: -A full presentation including 5 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.