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Focal Length Relation at Spherical Surface
### Formula
$$f=\frac{\mu_2R}{\mu_2-\mu_1}$$
### Terminologies
- f → Focal length.
- R → Radius of curvature.
### Usage
- Used for spherical refracting surfaces.
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Focal Length Relation at Spherical Surface
### Formula
$$f=\frac{\mu_2R}{\mu_2-\mu_1}$$
### Terminologies
- f → Focal length.
- R → Radius of curvature.
### Usage
- Used for spherical refracting surfaces.
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