Focal length of a concave spherical mirror¶
The focal length of a spherical mirror is equal to half the radius of curvature.
Notes:
For a concave mirror, the focal length is positive.
For a convex mirror, the focal length is negative.
Conditions:
The Small-angle approximation is assumed.
Links:
- focal_length¶
Mirror’s
focal_length- Symbol:
f- Latex:
\(f\)
- Dimension:
length
- curvature_radius¶
Mirror’s
radius_of_curvature- Symbol:
r- Latex:
\(r\)
- Dimension:
length
- law¶
f = r / 2- Latex:
- \[f = \frac{r}{2}\]