Physics GCSE
normal line
What normal line means in Physics GCSE, as defined for AQA.
Definition of normal line
Check what you remember
Read the wording for your board, then hide it and explain normal line in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
The construction line drawn at 90° to the surface at the point where the ray strikes.
Topics that use normal line
- Reflection of waves (physics only) (AQA GCSE)
Related terms
- absorption
- law of reflection
- Reflection
- specular reflection
- transmission
- boundary between materials
- equal angles
- material interfaces
Using normal line in the exam
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