Question

The radius of curvature of a mirror is:-

Double of focal length 

Half of focal length 

Four times of focal length 

Same as focal length 

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Answer 1

Answer:

Half of focal length

Explanation:

The radius of curvature of a mirror is:-

Double of focal length 

Half of focal length 

Four times of focal length 

Same as focal length 

Answer 2

Half of focal length 

Explanation:

The focal length of a spherical mirror is then approximately half its radius of curvature.