Modern Physics Problems

Challenge your understanding of modern physics with these practice problems on quantum mechanics, relativity, atomic structure, and nuclear phenomena.

Structure of the Particles and the Atoms

Identify particles, mass numbers, and predict ion behavior.


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Different Models of the Atom

Test your understanding about different models of the atom.


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Types of Radioactive Decay

Identify decay types and write nuclear equations.


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Properties of Radiation

Classify radiation types and predict shielding requirements.


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Half-life and Radioactive Decay Law

Solve decay and half-life calculations using exponential formulas.


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Nuclear Fission and Fusion

Compare fission and fusion and calculate energy changes in reactions.


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Wave - Particle Duality

Apply duality to phenomena like electron diffraction and photon momentum.


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Photoelectric Effect

Solve problems about the photoelectric effect and relate energy to frequency.


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Explore our collection of theory content in modern physics, designed to enhance your understanding and knowledge of key concepts.

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Ready to take IJSO-style modern physics mock tests?

Challenge yourself with our collection of IJSO-style mock tests in modern physics, designed to test your problem-solving skills and understanding.

View Modern Physics Mock Tests