the points C, and C, denote the centres of curvatures, then the focal length of the thin lens is
Question
The points C<sub>1</sub> and C<sub>2</sub> denote the centres of curvatures, then the focal length of the thin lens is
Solution
It seems like your question is incomplete. You mentioned points C and C, which I assume are the centers of curvature for the two surfaces of a thin lens. However, you didn't provide any specific values or distances.
In general, the focal length (f) of a thin lens can be calculated using the Lensmaker's equation:
1/f = (n-1)[(1/R1) - (1/R2)]
where:
- n is the refractive index of the lens material,
- R1 is the radius of curvature for the first surface (distance from C1 to the lens), and
- R2 is the radius of curvature for the second surface (distance from C2 to the lens).
If you provide the specific values, I can help you calculate the focal length.
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