Waves and optics practice.
Oscillations, wave motion, sound, and how light travels through lenses and mirrors. Every question has an explanation.
- 44questions
- 3topics
- 3exams
Waves and optics in Hong Kong
Practise waves and optics with the exams you can take in Hong Kong.
All waves and optics topics.
Each topic opens a list of questions with explanations. Choose the exam you are preparing for.
Wave Motion
19 questions across 1 exam
Ray optics
14 questions across 2 exams
Oscillations
11 questions across 2 exams
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Real questions, worked answers.
- Wave Motion · HKDSE (Hong Kong)A wave has frequency 200 Hz and wavelength 2 m. What is its speed?See the answer and explanation →
- Ray optics · Cambridge A-LevelAn object is placed 60 cm in front of a convex lens of focal length 10 cm. At what distance from the lens (in cm) is the image formed?See the answer and explanation →
- Oscillations · Cambridge A-LevelA 0.40 kg mass on a spring of stiffness 25 N m -1 oscillates with amplitude 6.0 cm. What is its speed when its displacement is 4.0 cm from equilibrium…See the answer and explanation →
Test yourself.
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- Are the waves and optics questions free?
- Yes. Every question, explanation, mock test and flashcard deck is free, with no plans or paywalls.
- Which exams include waves and optics?
- HKDSE (Hong Kong), Cambridge A-Level, IB Diploma. Pick a topic above, then the exam you are preparing for.