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What is the relation between the focal length and radius of curvature of a spherical mirror (concave mirror or convex mirror)?

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Question

What is the relation between the focal length and radius of curvature of a spherical mirror (concave mirror or convex mirror)?

Very Short Answer
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Solution

The relation between the focal length and radius of curvature of a spherical mirror is as follows:

Radius of curvature = 2 × focal length

R = 2f 

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Chapter 1: Reflection of Light - Exercise 2 [Page 28]

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Lakhmir Singh Physics [English] Class 10
Chapter 1 Reflection of Light
Exercise 2 | Q 8. (i) | Page 28
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