Physics

Explore fundamental principles governing the universe through mechanics, waves, light, thermodynamics, electricity, modern physics, and astrophysics.

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Units

Units and Dimensions

Foundations of measurement, conversions, and dimensional reasoning.

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Mechanics

Mechanics

Forces, motion, energy, and momentum

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Waves

Waves

Sound, light, and wave phenomena

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Light

Light

Properties and behavior of light

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Thermodynamics

Thermodynamics

Heat, temperature, and energy transfer

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Electricity

Electromagnetism

Electric fields, circuits, and magnetic phenomena

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Modern Physics

Modern Physics


Atoms, Nuclear physics, and Radiation

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Astrophysics

Astrophysics


Stars, galaxies, and cosmology

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Practice Questions

Apply your knowledge with our collection of IJSO-style Physics problems.

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Mock Tests

Simulate the real exam experience with full-length Physics mock tests.

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