PHYSICS

What are some important reasons for studying Physics?

Physics helps us to understand how the world around us works, from can openers, light bulbs and cell phones to muscles, lungs and brains; from paints, piccolos and pirouettes to cameras, cars and cathedrals; from earthquakes, tsunamis and hurricanes to quarks, DNA and black holes

Physics helps us to organize the universe. It deals with fundamentals, and helps us to see the connections between seemly disparate phenomena. Physics gives us powerful tools to help us to express our creativity, to see the world in new ways and then to change it. Physics provides quantitative and analytic skills needed for analyzing data and solving problems in the sciences, engineering and medicine, as well as in economics, finance, management, law and public policy.

Physics is the basis for most modern technology, and for the tools and instruments used in scientific, engineering and medical research and development. Manufacturing is dominated by physics-based technology. Physics helps you to help others. Doctors that don’t understand physics can be dangerous. Medicine without physics technology would be barbaric. Schools without qualified physics teachers cut their students off from a host of well-respected, well- paying careers. Students who study physics do better on SAT, MCAT and GRE tests

Electricity

  1. Static Electricity
    • What is Static Electricity?
    • Attraction and Repulsion of charged bodies
    • Static Electricity and Lightning hazards
    • Conductors and Insulators
    • Uses of Static Electricity
  2. Electrical Circuits
    • What is Current?
    • Potential Difference
    • Resistance
    • Conventional Current, Series and Parallel Circuits
    • Circuit Symbols
    • Ohm’s Law
    • Using the equation V=IxR
    • Potential Difference Graphs
    • Diodes
    • Light-Dependent Resistors (LDRs)
    • Thermistors
  3. Mains Electricity
    • Direct Current (dc) and Alternating Current (ac)
    • Cells & Batteries – dc current
    • Solar Cell
    • Mains Electricity
    • Fuse
    • The Earth Wire
    • Circuit Breakers
    • The Three Pin Plug
  4. Electrical Power
    • Electrical Power
    • Examples of electrical power
    • The Electricity Bill
  5. Electricity Generation
    • Energy Sources
    • Non-renewable Energy Sources
    • Renewable Energy Sources
    • Coal Fired Power Stations
    • Nuclear Power Stations
    • Wind Turbine
    • The National Grid – Electricity Transfer
  6. Electric Motors & Generators
    • The Motor Effect
    • Right Hand Grip Rule
    • Fleming’s Left Hand Rule
    • A Simple Electric Motor
    • Improving a Motor
  7. Transformers
    • Principle of Transformers
    • Step-up Transformer
    • Step-down Transformer

Forces and Motion

  1. Speed & Velocity
    • Speed
    • Velocity
    • Acceleration
    • Distance – Time graphs
    • Velocity – Time graphs
  2. Forces & Motion
    • What are Forces?
    • Newton's First Law of Motion
    • Newton's Second Law of Motion
    • Newton's Third Law of Motion
    • Momentum
    • Friction
    • Stopping Distance
    • Air Resistance
    • Terminal Velocity
  3. Turning Effect of Forces
    • Moment
    • Principle of Moments
  4. Circular Motion & Centripetal Force

Waves

  • Basic Wave Theory
  • Transverse Waves
  • Longitudinal Waves
  • Frequency of waves
  • The Wave Equation
  • Reflection
  • Refraction
  • Convex & Concave Lenses
  • Use of lenses for correcting vision
  • Refractive Index
  • Total Internal Reflection
  • Optical Fibres
  • Diffraction
  • Interference of Waves
  • Interference of Light
  • Sound Waves
  • Pitch, Loudness and Quality of Musical Notes
  • Ultrasound
  • Uses of Ultrasound

Energy

  • Work
  • Forms of Energy
  • Kinetic Energy
  • Potential Energy
  • Electrical Energy
  • Conservation of Energy
  • Energy Transfer Diagrams and Efficiency
  • Heat Transfer
    • Conduction
    • Convection
    • Radiation

The Earth & Beyond

  • The Earth
  • Igneous Rocks
  • Sedimentary Rocks
  • Metamorphic Rocks
  • Weathering
  • Erosion & Transport
  • The Rock Cycle
  • Wegener and Continental drift
  • Plate Tectonics
  • Convection Cells
  • Tectonic Plate Motion
  • Convergent Boundaries
  • Divergent Boundaries
  • Transform Boundaries
  • The Solar System
  • The Solar System animation
  • Gravitational Force, Centripetal Force & Orbits
  • The Sun
  • Solar Eclipse
  • Lunar Eclipse
  • Comets
  • Asteroids
  • Life cycle of Stars
  • Death of Low Mass Stars - White & Black Dwarfs
  • Death of High Mass Stars - Neutron Stars & Pulsars
  • Death of Very High Mass Stars - Black Holes
  • Earth Based Telescopes – Optical Telescopes
  • Earth Based Telescopes – Radio Telescopes
  • Space based Telescopes
  • The Expanding Universe
    • Doppler Effect
    • Red Shift

Radioactivity

  • What is Radioactivity?
  • Isotopes
  • Stable and Unstable Nuclei
  • Alpha, Beta and Gamma Rays
  • Penetrating Properties of Radiation
  • Properties of Radiation – Deflection in an electric field
  • Properties of Radiation – Deflection in a magnetic field
  • Detecting radioactivity – the Geiger Muller Tube
  • Radioactive Half Life
  • Uses of Radioactivity
    Radiation in the treatment of cancer
    • Alpha particles in smoke detectors
    • Beta radiation in thickness control
    • Beta radiation in leak detection
    • Gamma rays in sterilization
    • Radiocarbon dating
  • What is nuclear fission?
  • Chain reaction
  • A nuclear reactor
  • A nuclear power station
  • Radioactive waste
  • What is nuclear fusion?
  • Background radiation

Gases

  • Absolute zero and the Kelvin scale of temperature
  • Pressure and volume relationship of a gas – Boyle's law
  • Volume and temperature relationship of a gas – Charles' law
  • Pressure and temperature relationship of a gas – the Pressure Law
  • The gas equation

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