Find the focal length of a spherical mirror given the object and image distances. Useful for verifying mirror specifications in optical experiments.
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Distance from the mirror to the object.
Distance from the mirror to the image.
How this calculator works
Derived from the mirror equation, this calculator solves specifically for focal length f when both object distance u and image distance v are known.
Common questions about this calculator
These calculators are for educational and informational purposes only. While we strive for accuracy, results should be verified for critical applications. Always consult authoritative sources for engineering or scientific work.