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Physics (XPH11)
10 หมวด · 44 บท
สรุปวิชาPhysics (XPH11)สำหรับนักเรียนPearson Edexcel International AS Levelแบบฟรี แต่ละบทด้านล่างครอบคลุมหัวข้อสำคัญพร้อมตัวอย่างและโจทย์ที่ฝึกต่อในแอป thinka ได้ทันที
Mechanics and Materials
Waves and Electricity
Unit 1: Mechanics
Motion and kinematics graphs
Vectors and projectile motion
Forces, free-body diagrams and Newton's laws
Momentum and collisions
Moments and equilibrium
Work, energy, power and efficiency
Further Mechanics, Fields and Particles
Further Mechanics
Electric and Magnetic Fields
Nuclear and Particle Physics
Unit 1: Materials
Density, upthrust and Stokes' law
Hooke's law, stress and strain
The Young modulus
Force-extension and stress-strain graphs
Elastic and plastic behaviour, elastic strain energy
Thermodynamics, Radiation, Oscillations and Cosmology
Thermodynamics
Nuclear Decay
Oscillations
Astrophysics and Cosmology
Unit 2: Waves and Particle Nature of Light
Wave properties and the wave equation
Superposition, interference and standing waves
Refraction, total internal reflection and polarisation
Diffraction, gratings and electron diffraction
Intensity, pulse-echo and wave models
Photons, the photoelectric effect and energy levels
Unit 2: Electric Circuits
Charge, current, potential difference and resistance
Series and parallel circuits, power and energy
Current-potential difference characteristics
Resistivity and charge carriers (I = nqvA)
Potential dividers, thermistors and LDRs
E.m.f. and internal resistance
Unit 3: Practical Skills in Physics I
Planning an experiment
Instruments, resolution and measuring technique
Taking readings: range, repeats and anomalies
Processing data, significant figures and graphs
Uncertainty, error and accuracy
Evaluation, improvements and safety
IAS core practicals
CP1: Acceleration of a freely-falling object
CP2: Viscosity of a liquid by a falling-ball method
CP3: The Young modulus of a material
CP4: Speed of sound in air
CP5: Frequency of a vibrating string
CP6: Wavelength of light using a diffraction grating
CP7: Electrical resistivity of a material
CP8: E.m.f. and internal resistance of a cell
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