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This standard asks you to show you understand how waves behave and interact with each other and with different materials. You'll need to explain wave properties like reflection, refraction, diffraction and interference, and apply physics ideas to real-world situations—not just memorise answers from past papers. You might also study how light behaves when it bounces off curved mirrors or passes through lenses.
What to do, grades and common mistakes
- ·Apply wave formulas and concepts accurately to solve problems, using correct calculations with appropriate brackets and showing working step-by-step
- ·Draw clear, labelled diagrams (ray diagrams, wave diagrams) with accurate and properly positioned elements using a ruler
- ·Use precise physics terminology and link wave concepts to the specific context given in the question, rather than just reproducing memorised answers
- ·Know what each symbol in a formula represents and include the correct units in your final answer
- ·Explain connections between different wave concepts and show how phenomena like refraction or interference actually relate to the situation described
You show basic understanding of wave concepts (like identifying whether an image is virtual or real, or recognizing total internal reflection), complete simple calculations with partial working, and draw diagrams that are mostly clear but may have minor errors.