Key term for OCR GCSE Physics A, used in Practical Activity Groups.
An imaginary line drawn at 90 degrees to a surface boundary at the exact point where a wave hits it.
Normal appears in OCR GCSE Physics A revision content for Practical skills, especially Practical Activity Groups and Interactions of waves.
Practical skills
Practical Activity Groups • Interactions of waves
Waves in matter
Wave interactions • Colour
Waves in matter
Wave interactions • Ray diagrams construction
Waves in matter
Wave interactions • Ray diagrams and lenses
Forces
Forces in action • Pressure in fluids
Matter
Pressure • Pressure in liquids
Matter
Pressure • Compression and expansion
Matter
Pressure • Particle motion and pressure
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