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Aperture — Edexcel Physics Definition | GradeGen.AI

Courses
Physics
Key Terms
Aperture

GCSEEdexcel1PH0

Aperture

Key term for Edexcel GCSE Physics, used in Stellar Evolution.

Definition

The diameter of the main light-collecting lens or mirror in a telescope.

Exam Context

Aperture appears in Edexcel GCSE Physics revision content for Astronomy, especially Stellar Evolution and Observing the Universe.

Astronomy Stellar Evolution Observing the Universe

Study Pathways

Astronomy

Stellar Evolution

Observing the Universe

Light and the electromagnetic spectrum

Dangers and Uses

Uses of EM Radiation

Found in Revision Notes

Astronomy

Observing the Universe

Stellar Evolution • Observing the Universe

Light and the electromagnetic spectrum

Uses of Visible Light and Ultraviolet

Dangers and Uses • Uses of EM Radiation

Related Key Terms

Atmospheric absorption Atmospheric distortion CCD CMOS sensor

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Converging (convex) lens

Electromagnetic spectrum