Light - Reflection and Refraction
- Centre of curvature: Centre of the sphere of which the spherical mirror is a part
- Pole: It is the midpoint of the aperture of the spherical mirror or mirror centre.
- Focus: Where parallel rays (parallel to the principal axis) meet or appear to meet after reflection.
- Principal Axis: The imaginary line that runs through the pole and the center of curvature of a spherical mirror.
- Distance …
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