Radius of Curvature

📊 beginner

$$R = 2f$$

Radius of curvature is twice the focal length for spherical mirrors.

Variables & Units

$R$

Radius of curvature

Unit: Meter ($m$)

Key Information

📐 Derived From

Spherical geometry.

💡 Example

If $f = 15 cm$, then $R = 30 cm$.

🔧 Applications

Mirror manufacturing.

⚠️ Constraints

Valid for mirrors with small aperture.

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