How is the focal length of a spherical mirror related to its radius

Question

Answer in Brief

Solution

The distance from the pole to the focal point is called the focal length (f). The focal length of a spherical mirror is then approximately half its radius of curvature.

Focal length = Radius of curvature / 2
Or 2 F = R

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Spherical Mirrors

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Q 32 Q 31 Q 33

Chapter 5: Light Energy - Short/long Answer Question [Page 101]

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S.S. Shome Concise Physics [English] Class 8 ICSE

Chapter 5 Light Energy
Short/long Answer Question | Q 32 | Page 101

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