Physics (9478)

20 个单元 · 67 个章节

免费 Physics (9478) 学习笔记，适合 GCE A-Level - Higher 2 (H2) 学生。每个章节都覆盖一个重点主题，并附例题与可延伸到 thinka app 的练习提示。

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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