Incident ray

Key term for Edexcel GCSE Physics, used in Light, Lenses and Reflection.

Definition

The incoming ray of light that strikes a surface or boundary.

Exam Context

Incident ray appears in Edexcel GCSE Physics revision content for Light and the electromagnetic spectrum, especially Light, Lenses and Reflection and Ray Diagrams and TIR.

Light and the electromagnetic spectrum Light, Lenses and Reflection Ray Diagrams and TIR

Found in Revision Notes

Light and the electromagnetic spectrum

Ray Diagrams and TIR

Light, Lenses and Reflection • Ray Diagrams and TIR

Revise note

Related Key Terms

Angle of incidence (i)Angle of reflection (r)Angle of refraction (r)Critical angle (c)

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