Physics (9478)
20个单元 · 67个章节
免费的Physics (9478)学习笔记，专为GCE A-Level - Higher 2 (H2)学生准备。下列每个章节都涵盖一个重点主题，附有例题与练习提示，可在 thinka 应用中延伸练习。
Quantities and Measurement
Physical quantities and SI units
Errors and uncertainties
Scalars and vectors
Forces and Moments
Types of force
Moment and torque
Translational and rotational equilibrium
Motion and Forces
Kinematics
Uniformly accelerated linear motion
Mass and linear momentum
Laws of motion
Energy and Fields
Energy stores and transfers
Work done by a force
Kinetic energy
Concept of a field
Potential energy
Power and efficiency
Projectile Motion
Free fall
Gravitational potential energy in a uniform field
Effects of air resistance
Collisions
Impulse
Conservation of momentum and energy
Circular Motion
Kinematics of uniform circular motion
Centripetal acceleration
Gravitational Fields
Newton’s laws of gravitation
Gravitational field strength
Gravitational potential and energy
Escape velocity and circular orbits
Oscillations
Simple harmonic motion
Energy in oscillations
Wave Motion
Properties of waves
Energy transfer by progressive waves
Polarisation
Superposition
Principle of superposition
Standing waves
Interference of two or more point sources
Diffraction through a finite-size gap
Temperature and Ideal Gases
Empirical gas laws
Kinetic theory of gases
Thermodynamic Systems
Internal energy
Heating and work done
Laws of thermodynamics
Specific heat capacity and specific latent heat
Electric Fields
Coulomb’s law
Electric field strength
Electric potential and energy
Uniform electric fields
Capacitance
Currents
Current and drift velocity
Potential difference and power
Power supplies: d.c. and a.c.
Circuits
Circuit symbols and diagrams
Resistance, resistivity and internal resistance
Resistors in series and parallel
RC circuits with d.c. source
Electromagnetic Forces
Magnetic fields and magnetic flux density due to currents
Force on a current-carrying conductor
Force on a moving charge
Electromagnetic Induction
Magnetic flux
Faraday’s and Lenz’s laws of electromagnetic induction
Power transformers
Quantum Physics
The particulate nature of light
The wave nature of particles
Quantisation of energy in matter
Nuclear Physics
The nuclear atom
Radioactive decay
Nuclear processes and conservation laws
Mass defect and nuclear binding energy
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