Physics A-Level
Normal incidence
What Normal incidence means in Physics A-Level, as defined for AQA.
Definition of Normal incidence
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Reference: AQA
Monochromatic light arrives perpendicular to the grating surface.
Topics that use Normal incidence
- Diffraction (AQA A-Level)
Related terms
- Central maximum
- Constructive interference
- Diffraction grating equation
- Experimental control of diffraction variables
- Monochromatic light
- Order of the maximum
- Path difference
- Secondary maxima
Using Normal incidence in the exam
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