Modern physics practice.
Photons, atoms, nuclei and the ideas that began quantum physics. Every question has an explanation.
- 14questions
- 2topics
- 3exams
Modern physics in Hong Kong
Practise modern physics with the exams you can take in Hong Kong.
All modern physics topics.
Each topic opens a list of questions with explanations. Choose the exam you are preparing for.
Radioactivity
8 questions across 1 exam
Dual nature of matter
6 questions across 2 exams
Try one now
Real questions, worked answers.
- Radioactivity · HKDSE (Hong Kong)A radioactive sample has a half-life of 10 days. Its mass of the radioactive nuclide is 160 g. How much remains after 30 days?See the answer and explanation →
- Dual nature of matter · Cambridge A-LevelWhat is the energy of a photon of wavelength 310 nm? (use hc = 1240 eV nm, answer in eV)See the answer and explanation →
Test yourself.
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- Are the modern physics questions free?
- Yes. Every question, explanation, mock test and flashcard deck is free, with no plans or paywalls.
- Which exams include modern physics?
- HKDSE (Hong Kong), Cambridge A-Level, IB Diploma. Pick a topic above, then the exam you are preparing for.