Radius & Focal Length of Concave/Convex Mirrors: Formula & Answers

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Homework Help Overview

The discussion revolves around the relationship between the radius of curvature and the focal length of concave and convex mirrors, specifically focusing on a concave mirror with a given focal length and a convex mirror with a specified radius of curvature.

Discussion Character

  • Conceptual clarification, Mathematical reasoning

Approaches and Questions Raised

  • The original poster seeks clarification on the formulas related to the radius of curvature and focal length for both types of mirrors. Some participants provide definitions and relationships between the variables involved.

Discussion Status

Participants are engaging in a clarification of terms and relationships, with some providing direct answers to the original poster's questions. There appears to be a shared understanding of the formula relating radius and focal length, though the discussion does not reach a formal consensus on the application of this formula.

Contextual Notes

The original poster requests formulas without providing specific constraints or additional context regarding the problem setup.

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A concave mirror has a focal length of 26 cm. What is the radius of curvature of the mirror?

and also

The radius of curvature of a convex mirror is 60 cm. What is the focal length of the mirro?

Can anyone tell me the formula for finding each of the answer?...
 
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R has always the absolute value of 2f.
 
what is R and what is 2f , can you specify it for me please..
 
R is the radius of curvature anf f is the focal length.
 
so formula for this is R=2f?
 
Yes.
 

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