Grade 12th pass10 grade science
The radius of curvature of a spherical mirror is 20 cm. What is its focal length?
The radius of curvature of a spherical mirror is 20 cm. What is its focal length?
1 Answer
Pawan Prajapati
Radius of curvature, R = 20 cm
Radius of curvature of a spherical mirror = 2 x Focal length (f)
f = R/2 = 20/2 =10cm
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