Rigid body mechanics
Torque, moment of inertia, angular momentum and rotational equilibrium.
Review and practisePHYSICS HL · Learning hub
Physics: Higher Level
The five confirmed HL-only extensions: rigid body mechanics, special relativity, thermodynamics, electromagnetic induction, and quantum physics.
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Key concepts
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Special relativity
Time dilation, length contraction and the invariance of the speed of light.
Review and practiseThermodynamics
The first law of thermodynamics, entropy and thermodynamic processes.
Review and practiseElectromagnetic induction
Faraday's law, Lenz's law, generators and transformers.
Review and practiseQuantum physics
The photoelectric effect, wave-particle duality and nuclear energy levels.
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Recall core ideas and establish reliable methods.
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Connect concepts and apply them in exam-style contexts.
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Topic practice
Recommended next: Rigid body mechanics
01
Rigid body mechanics
Not startedTorque, moment of inertia, angular momentum and rotational equilibrium.
0%0/20 complete
02Special relativity
Not startedTime dilation, length contraction and the invariance of the speed of light.
0%0/20 complete
03Thermodynamics
Not startedThe first law of thermodynamics, entropy and thermodynamic processes.
0%0/20 complete
04Electromagnetic induction
Not startedFaraday's law, Lenz's law, generators and transformers.
0%0/22 complete
05Quantum physics
Not startedThe photoelectric effect, wave-particle duality and nuclear energy levels.
0%0/20 complete
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This is unofficial beta practice under accuracy, provenance, and rights review. Use the latest official subject guide to confirm syllabus coverage and examination requirements.